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Quiz Time: Multiplication and Division | Math | Knowledge On the Go
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00:00.0
Hello, hello, hello! Magandang araw sa lahat ng nanonood ngayon. Maganda ba ang araw ninyo? Maganda rin ang araw ko.
00:11.0
This is Coach Laika. Welcome ko yung lahat dito sa ating Wednesday 4PM Habit. Ang knowledge on the go.
00:19.0
And happy Valentines sa lahat. Finger heart. Heart na rin sa ating comment section.
00:26.0
Kumusta ang mga ganap ninyo kahapon? Ang mga pamilya natin? May kadate ba? Kung wala, okay lang din. Kung kayo man ay nagdate sa labas o team bahay lang, okay lang yan.
00:37.0
Ayan. Ang ganap ko kahapon, team bahay lang din. Kasi ang love naman comes in many forms. So hindi lang naman pang romantic love yan.
00:45.0
Actually, one of the things na nakakatuwa sa maraming households ngayon is that Valentines ay isa rin pagkakataon for fathers or dads to express yung kanilang pagbabaliyo sa kanilang mga anak.
00:58.0
Lalo na sa mga anak na babae. Diba? So nakikita natin na sineselebrate natin ang bagay na ito. May partner man o wala.
01:07.0
Diba? Kasi dahil may pasok man, wala. Diba? Or may ganap man, wala. It's okay. Kasi everyday naman dapat natin na i-pursue ang pagbabaliyo ng love.
01:21.0
We can do it in small ways. Sharing love to everyone by giving them compliments, appreciating what they do. Diba? Kung nagtagpo ang oras, kahit simpleng dinner lang sa bahay, pwede na tayo mag-celebrate as a family.
01:36.0
Diba? Yes. And family, yung ating family can also be our Valentine. Kasi ang Valentine's Day, para sa pamilya rin naman yan.
01:44.0
Pwede nating i-appreciate ang isa't isa. Pagsilbihan ang isa't isa. Gawan ng letters or cards. Diba? Kahit anuman ng ating okasyon or kahit na wala.
01:56.0
Kaya itong stream natin ngayon, pwede nyo rin kung i-value. One of the things that you can do to appreciate what we do every Wednesday for you is to share it sa mga mahal ninyo sa buhay.
02:08.0
At maganda rin way to show that you care for them, ang i-share ito or i-tag sila sa comments para matuto rin sila kasama natin.
02:16.0
Kaya kung ready nang matuto ang lahat this afternoon, pwede na kayong sumama sa atin. Diba? Can you say yes? May napay-yes ba? Allowed? Pwede rin mas lakasan pa yan.
02:28.0
Para mas mataas ang energy natin at maging mas ready tayo to learn new things today. Diba? Ngayon, subukan natin ang kaalaman sa Grade 3 Mathematics.
02:39.0
One of the things I love and I hope you love too, ang multiplication and division. This time of whole numbers by multiples of 10. Diba?
02:51.0
Paborito nyo bang math? Ako, paborito ako. May naiba rin sasabi, paborito daw nilang math pero hindi sila paborito ng math. Hindi yan totoo. I'm sure paborito rin kayo ng math and mapatunayan natin yan today.
03:06.0
Kasi whether meron kayong Grade 3 students na present ngayon, kaway-kaway sa mga Grade 3 students natin dyan, para sa inyo ito, or sa mga wala namang kasamang Grade 3 students, para rin sa inyo ito.
03:16.0
Kasi ang importante dito sa knowledge on the go ay matuto ang lahat. And this is for all ages. May mga viewers tayo, nagchuture ng mga anak, nagtuturo sa mga pinsan.
03:26.0
Meron akong nareceive na comment dati, siya daw ay lolo at binibida niya sa mga apo niya yung kanyang prowess or skills sa math. Pwede pwede rin po yun.
03:35.0
So, tawagin na ang lahat ng mga kasama sa bahay. Magsisimula na tayo at kung ready ng lahat, taas na ng energy. Ready na ba? Okay, magkaisagot? Okay, game na?
03:45.0
Ang totoo? Game? Okay, yan. So, let's test your knowledge on the go. Okay, classmates. Meron kayong 20 seconds to answer. And this is your first question.
03:57.0
What is 100 times 90? Is it A, 190? B, 1,900? C, 19,000? Or D, 190,000? 20 seconds on the clock. 20 seconds para sagutin ito. Again, all you have to do is to multiply 100 by 9.
04:21.0
Alam ko yung iba medyo kinakabahan kapag marami yung numbers. Pero kayang-kaya niyo ito. I believe in you, classmate. Alam kong kaya niyo yan. Few more seconds and time is up.
04:35.0
Ang tamang sagot ay 1,900. Now, karamihan sa atin, ang ginagawa para mag-solve ng equation ay sinusulat natin ng patayo ang 100 times 19. Tapos i-multiply natin yung digit na 9 sa bawat digit ng 100 from right to left.
04:56.0
So that's 1 times 0, 0. 1 times 0, 0. 9 times 0, 0. 9 times 0, 0. 9 times 1, 9. Bababa natin. Now, that's correct. Magandang method yan. Yan yung ating kitatawag na traditional method of solving.
05:12.0
Makukuha nyo rin ng tamang sagot. Kaya lang, medyo mahaba yung oras na kailangan to solve it. So ngayon, maituturo ako sa inyo na technique para makuha natin ng sagot ng walang kahirap-hirap.
05:26.0
When we're talking about multiplying multiples of 10, ang gagawin natin is to first, step 1, get the product of the non-zero digits. Pag sabi, non-zero, yung mga hindi zero.
05:40.0
Ito sa example na ito, meron tayong non-zero digits, yung 1 at 19. Now, yung 1 galing dun sa 100, tatabi mo natin yung dalawang 0. Yung 1 ay i-multiply natin doon sa 19.
05:56.0
So 1 times 19 is 19. Kasi any number multiplied by 1 is that same number. So yung 19 na yan, patandaan natin yan. And then we move on to step 2.
06:09.0
Step 2 natin, ang kailangan lang natin gawin ay bilangin ang zeros at ididikit natin sa dulo nung nakuha nating product kanina.
06:20.0
So kanina, meron tayong 100 times 19. Kinuha natin yung 1 as a non-zero digit, pero tayong dalawang 0 sa 100.
06:29.0
So, all we have to do ay ikabit yung dalawang 0 na yun doon sa product na nakuha natin which is 19. 1, 9, 0, 0 or 1,900.
06:43.0
Now, quick trivia lang din when it comes to hundreds, yung 1,900, there's another way of saying that.
06:50.0
One way of saying that is actually 1,900. In some parts of the world, yun ang basa dyan. 1,900, 1,800, 1,700. Medyo katunog ng mga pet siya.
07:03.0
So it's another way of saying that ang 1,900 is 19 pieces ng 100 na magkakasama.
07:12.0
Yun. Okay. So, sino nakakawalan ang tama-sagot? Good job sa inyo lahat. Question number 2 na tayo.
07:19.0
Using that same concept, yung step 1 and 2 natin. Very easy. Ano naman ang what is?
07:24.0
What is 123 x 1,000? 123 x 1,000 is it A. 1,230 B. 12,300 C. 123,000 or D. 1,230,000
07:44.0
20 seconds on the clock para sa ating orasan. Ano ang sagot sa 123 x 1,000? Okay.
07:57.0
A few more seconds on our clock. Again, two things lang nagagawin. Huwag kakalimutan at mag-iingat din sa dami ng mga zero na ating pinag-uusapan.
08:07.0
Alright. Your time is up. Easy lang ito sa inyo. I'm sure. Mukhang mabilibilis naman nakakakuha ng tama-sagot ng ating mga classmates.
08:15.0
Yan. Ang tama-sagot ay letters C. 123,000.
08:21.0
Para makuha natin ang product ng 123 x 1,000, using yung solution na ginawa natin kanina, step 1 natin is to get the product of the non-zero digits.
08:31.0
Ang non-zero digits natin ay yung 123 at yung 1 na galing sa 1,000.
08:39.0
123 x 1 is 123. Step 2, ia-affix o idadagdag natin ang mga zeros to obtain the final product.
08:50.0
Now, meron tayong 1,000. Kinuha na natin yung 1. Meron tatlong zero sa dulo ng 1,000.
08:57.0
So, yung tatlong zero na yan, ikakabit natin doon sa product natin na nakuha, which is 123.
09:04.0
Kaya, ang final answer natin ay 1, 2, 3. May kasunod na tatlong zero. 0, 0, 0 or 123,000.
09:13.0
O, di ba? Ang dali lang mag-multiply ng numbers. Lalo na kapag we're talking about multiples of 10.
09:21.0
Kasi yung 100 kanina, 1,000, mga multiples of 10. Yan na tinatawag.
09:27.0
Kapag sinabi natin multiples of 10, ibig sabihin, pwede natin i-divide siya.
09:31.0
10, wala tayong makukuhang remainder. Or ito yung mga pag ang 10 ay multiply mo sa iba-ibang mga numbers.
09:38.0
O, kaya mag-multiply tayo by 1,000, 10,000, 100,000 or kahit 200. Kasi multiple of 10 din yun.
09:50.0
300, 500. Lahat ng mga yan, basta multiples of 10, we can use the same technique.
09:57.0
So, let's proceed to question number 3. Level up natin very, very light. True or false?
10:02.0
250 x 10 is equal to 250. 20 seconds on the clock. Para pag-isipang maili.
10:11.0
Ano ba yung ginagawa natin kanina? Step 1 at Step 2. At tandaan lagi ha, 2 steps po yun.
10:17.0
Kasi kung may mawaglit tayo, magkakamali tayo.
10:20.0
A few more seconds. Is this statement true or false? 250 x 10 is equal to 250.
10:26.0
Isip-isip. And your time is up. Ang tamang sagot ay false. False kasi ang tamang sagot ay 2,500.
10:38.0
Again, wag magmawaglit yung steps natin. The first step is to multiply the non-zero digits.
10:44.0
You have 25 and 1 galing dun sa 10. So, 25 x 1 is 25.
10:50.0
Pero, di ba, yung 25 na hindi pa tayo natatapos kasi bibilangin natin kung ilan yung mga zero sa pinag-uusapan natin.
11:01.0
Sa 250, may isang zero. Sa 10, may isa pang zero which gives us a total of two zeros.
11:08.0
So, 250 x 10 is 25. May kasunod na daw ang zero, 2,500 or 2,500.
11:21.0
Okay. So, mabilis niyo ba nakuha? Very good. Now, speaking of mabilis,
11:27.0
alam niyo ba na ang pinakamabilis na pagbilang mula 1 to 1 million
11:32.0
ay naitala sa Guinness World Record ni Jeremy Harper ng Alabama.
11:37.0
Napakabilis naman itong magsalita. Umabot siya ng 89 days sa pagbibilang.
11:42.0
16 hours ang minubol niya sa pagbibilang at 8 hours sa pagkain at tulog kada araw.
11:48.0
Almost 3 months siyang nagbibilang. 89 days.
11:53.0
Magbibilang siya from 1 to 1 million. Andaming time ni Kuya Jeremy Harper.
11:58.0
Gusto niyo ba yung subukan yun? Matagal-tagal yun.
12:02.0
Pero, habang pinag-iisipan niyan, binatayo sa question number 4.
12:06.0
What is the missing factor in this multiplication equation?
12:10.0
39 x blank is 39,000. Is it A, 39? B, 390? C, 100? Or D, 1,000?
12:20.0
20 seconds on our clock. Isipin natin maigi.
12:22.0
Isipin natin maigi ano ang pinumultiply sa 39 para lumabas ang 39,000.
12:30.0
Clue. Clue natin yung ating pinag-usapan kanina. Yung technique na yan.
12:37.0
Di ba? I-apply natin yan sa problem na ito.
12:42.0
Your time is up. Ang tamang sagot ay D, 1,000.
12:47.0
Mga ganitong klaseng tanong, lalo na dahil meron siyang choices,
12:54.0
kadalasan mas madali natin masasagot ang mga ito gamit ang trial and error
13:00.0
or by using substitution plus siyempre a little bit of critical thinking skills.
13:05.0
Pwede na tayong mag-deduce ng ating sagot.
13:09.0
Kaya kasama ang math sa curriculum or sa subject na inaaral natin
13:12.0
kasi dito na de-develop yung ating critical thinking at problem solving skills.
13:17.0
Marami akong mga nakukuhang tanong, kadalasan online sa sinisakay ng mga kabataan
13:22.0
or kahit hindi na actually kabataan, aanihin ko yan sa totoong buhay?
13:26.0
Gagamitin ko ba yan sa totoong buhay?
13:29.0
Now, you may not use the exact same thing or encounter the exact same problem in real life
13:36.0
pero kung gagaling ka pagdating sa critical thinking skills, sa problem solving skills,
13:40.0
sa attention to detail, sa mga pag-recognize ng patterns,
13:44.0
yung mga bagay na yan magagamit natin sa totoong buhay at kaya nang gagamitin natin sa tanong na ito
13:49.0
para i-solve ito ng mabilis, lalo na kung may time limit ang exam.
13:52.0
Lagi kong yan na-encounter kasi yun yung mga tinuturuan ko mga mag-e-exam sila.
13:58.0
Kailangan mabilis, titignan natin yung mga options na meron tayo.
14:03.0
Kung titignan natin, actually medyo obvious, na yung choices A and B,
14:07.0
kapag minultiply natin sa 39, hindi 39,000 ang lalabas kasi komplikado siya masyado.
14:12.0
If you multiply 39 by 39, medyo maraming digits involved.
14:16.0
So, pwede natin i-eliminate yun or tanggalin na natin siya sa options.
14:21.0
Kasi obvious na hindi siyang sagot.
14:23.0
So, i-x na natin yung A at B.
14:26.0
Ang natitira nating possible answers ay ang 100 at 1,000.
14:30.0
Sa tingin natin, anong ito ang tamang sagot?
14:32.0
Pwede natin subukan.
14:34.0
Kung i-multiply natin ng 39 by 100, ang mangyayari would be 39 times 1.
14:39.0
Tapos dadagdag natin yung dalamang zero sa dulo.
14:42.0
So, 39 plus dalamang zero, that's 3,900.
14:47.0
Bitin. Kulang siya. Kulang siya actually ng isa pang zero.
14:52.0
So, check natin yung 39 times 1,000.
14:55.0
39 times 1,000, non-zero digit natin, 39 times 1,000.
14:59.0
39 times 1,000, non-zero digit natin, 39 and 1.
15:03.0
39 times 1 is 39.
15:05.0
Tapos i-dadagdag natin yung tatlong zero sa dulo.
15:08.0
3,900 or 39,000.
15:12.0
So, yun ang tamang sagot.
15:14.0
Kaya letter D ang kailangan natin i-multiply para lumabas ang 39,000.
15:20.0
Diba? Nakuha ba natin yun?
15:22.0
And I'm sure, whether you use trial and error or sinolid mo sila isa-isa,
15:27.0
you will get to the right answer.
15:29.0
Pero, kung involved ang speed, mas maganda if you do it ng smarter.
15:37.0
Hindi lang siya about how you get there.
15:43.0
Minsan, it's how fast you get there too.
15:45.0
So, gamitin natin ng konting diskarte yung ating problem solving.
15:49.0
Now, question number five.
15:51.0
Paano kung word problem? Let's try to answer this.
15:52.0
A factory worker can make 10 pairs of customized shoes a day.
15:57.0
How many pairs of shoes can 29 workers make in 10 days?
16:03.0
Is it A, 29 pairs?
16:05.0
B, 290 pairs?
16:08.0
C, 2,900 pairs?
16:10.0
Or D, 29,000 pairs?
16:13.0
20 seconds on the clock.
16:15.0
Isipin tong maige.
16:17.0
Ito yung scenario natin.
16:18.0
A factory worker can make 10 pairs of customized shoes a day.
16:23.0
We're looking for how many pairs of shoes can 29 workers make in 10 days.
16:30.0
Minsan, simple.
16:32.0
Tingnan, yung iba ang ginagawa, kinukuha lang daw nila yung mga number.
16:35.0
Tapos, kung ano na yung gusto nalang gawin, operation, multiplication or anything.
16:39.0
Pero, now that the time is up, idiscuss natin kung gaano ka-important.
16:43.0
Iba, to look at the details, right?
16:49.0
Now, sabi dito, a factory worker can make 10 pairs a day.
16:57.0
Tinahanap natin how many pairs of shoes 29 workers can make in 10 days.
17:07.0
Now, kung ang isang worker nakakagawa ng sampo sa isang araw,
17:12.0
at meron kang 29 workers sa isang araw,
17:17.0
that would make 29 times 10.
17:21.0
Kasi, 10 pairs nagagawa ng isa, pero ngayon meron ko ng 29.
17:26.0
So, that would be 29 workers times the 10 pairs of shoes that each of them can make in a day.
17:33.0
So, yun pa lang, meron na tayong 290.
17:37.0
Kasi, ang 29 times 10 is 29 times 1 plus a 0 sa dulo.
17:43.0
29, 290.
17:46.0
290 shoes in one day ang nagagawa ng 29 workers.
17:50.0
Pero, sabi sa tanong natin, ang hinahanap ay,
17:53.0
how many pairs of shoes can those 29 workers make in 10 days?
17:58.0
One day pa lang yun.
18:00.0
So, hindi pa tayo tapos.
18:01.0
I-multiply pa natin yung 290 sa 10.
18:08.0
This time, sa 10 days na magtatrabaho ang 29 workers na yun.
18:13.0
So, yung 290 natin, i-multiply pa natin siya by another 10.
18:19.0
Hindi pa tayo tapos.
18:21.0
So, 290 times 10.
18:24.0
Kunin natin yung non-zero digits.
18:26.0
It's still 29 and 1, which gives us 29.
18:29.0
Pero, this time, yung isang zero na nanggaling sa 290
18:34.0
at yung isa pang zero na nanggaling sa 10,
18:36.0
that makes two zeros.
18:38.0
Two zeros na idadagdag natin sa dulo niyo, 29,
18:42.0
2-9-0-0 or 2,900.
18:46.0
So, ang tamang sagot is 2,900.
18:52.0
If we're talking about how many pairs of shoes
18:55.0
29 workers can make in 10 days, it's 2,900.
19:03.0
Sino ang tama sa question number 5?
19:05.0
Very good. Medyo tricky yun.
19:07.0
So, kung nagkamali tayo, okay lang yan. Babawi tayo next time.
19:10.0
Next time, tandaan.
19:12.0
Huwag lang kukunin yung mga numbers at i-multiply.
19:14.0
Basta, intindihing maigi ang tanong.
19:17.0
Question number 6. Division naman tayo.
19:19.0
What is 420 divided by 60?
19:23.0
420 divided by 60, is it A, 7, B, 70, C, 700, or D, 7,000?
19:30.0
20 seconds on the clock?
19:32.0
20 seconds on our clock para pag-isipan nito ng maigi?
19:36.0
420 divided by 60.
19:39.0
Now, kahit hindi pa natin nilididiscuss yung short cut or technique
19:43.0
magtating sa division naman ng multiples of 10,
19:46.0
meron tayong pwedeng mapulot from what we learned kanina sa multiplication dito.
19:50.0
Meron, may clue na tayo ng kaunti.
19:53.0
Diba?
19:56.0
Alright, our time is up.
19:59.0
Ang tamang sagot ay letter A, 7.
20:03.0
Parang naging 7 eh. May mga hundred yung mga binigay ng gibid.
20:08.0
Now, again ha, ang importante dito, attention natin to detail.
20:12.0
00:00.0
20:13.000 --> 20:16.000
20:17.0
Anong gagawin natin?
20:19.0
Pag nang di-divide tayo ng multiples of 10,
20:22.0
lalo na kung walang calculator.
20:24.0
Diba? Yung iba kasi sasabihin sa akin,
20:26.0
hindi ko naman magagamit kasi may calculator ako.
20:28.0
Pero, sa ibang exams or minsan, kahit nasa palengke tayo,
20:31.0
wala tayong baong calculator.
20:33.0
Ang gagawin natin is to cancel as many zeros in the dividend
20:39.0
as there are in the divisor.
20:41.0
Sa Tagalog, titignan natin ilang zero ang meron sa taas,
20:46.0
ilang zero ang meron sa baba.
20:47.0
Bawat pares ng zero na meron sa taas, meron sa baba,
20:51.0
pwede natin i-cancel.
20:53.0
Tapos kung anong matitira, itidivide natin as usual.
20:56.0
Let's take this example para malinaw sa atin.
20:59.0
Meron tayong 420 divided by 60.
21:06.0
Kung ilist natin yan, 42060,
21:10.0
merong zero sa taas, merong zero sa baba.
21:13.0
Magka-cancel out tayo.
21:15.0
So, mawawala yung isang zero sa ating dividend na 420,
21:19.0
mawawala yung isang zero na meron tayo sa ating divisor na 60.
21:24.0
Ang matitira ay 42 divided by 6.
21:29.0
At dahil marit na number na lang ito,
21:31.0
mas madaling na natin siyang isasolve.
21:33.0
42 divided by 6 is 7.
21:37.0
Kasi ang 6 times 7 is 42.
21:39.0
Walang remainders, walang anything.
21:40.0
That is our answer.
21:42.0
It's 7.
21:45.0
Okay?
21:47.0
Gets ba yun?
21:49.0
Again, be very careful in order for us to cancel.
21:52.0
Meron sa taas, meron sa baba.
21:54.0
Sino nakakuha ng tamang sagot?
21:56.0
Ready na yan?
21:58.0
Raise natin yung bar a little bit higher.
22:00.0
Question number 7.
22:02.0
What is 36,500 divided by 100?
22:06.0
Ubitin ko yun na what is 36,500 divided by 100?
22:11.0
Is it A, 365?
22:13.0
B, 3,650?
22:16.0
C, 36,500?
22:18.0
Or D, 365,000?
22:21.0
20 seconds on our clock.
22:24.0
Patakbunin natin ng ating timer.
22:26.0
Ano ang gagawin natin para mas papadali ang mga bagay-bagay?
22:30.0
Yung ibang mga classmates natin ganyan lang sila.
22:32.0
Santuyin lang daw.
22:33.0
Hulot lang noon.
22:35.0
Very, very, very quickly.
22:37.0
Alam na lang yung sagot.
22:39.0
At ang susi siya na yung ating super special secret technique.
22:44.0
O, diba?
22:46.0
Alright, our time is up.
22:48.0
Anong ang sagot?
22:50.0
Ang sagot natin ay letter A, 365.
22:53.0
Na para makuha natin ng sagot,
22:55.0
bibilangin natin ang zeros sa divisor.
22:57.0
Wala ng zeros na meron tayo.
22:59.0
Meron tayong 100.
23:01.0
So 1, 0, 0.
23:03.0
Tapos, titignan natin yung number of zeros
23:06.0
na nandoon sa ating dividend.
23:09.0
36,500.
23:12.0
So 36,500, meron ding dalawang zero doon.
23:16.0
Kung isusulat natin ito ng vertical,
23:18.0
makikita mo, magkapares sila.
23:20.0
Ating dalawa sila sa taas.
23:22.0
Which means, pwede natin
23:26.0
i-cancel yung mga zero na yan.
23:29.0
And we will be left with 365
23:32.0
divided by 1.
23:34.0
Now, madali na ito
23:36.0
kasi ang sagot lang dyan is itself 365.
23:40.0
365 ang tamang sagot.
23:43.0
Same gaya ng dami ng days sa isang taon.
23:46.0
Diba? Ayun.
23:48.0
But actually, quick trivia,
23:51.0
yung official or mas malapit na number of days in a year
23:56.0
is not 365 but 365 and one-fourth.
24:00.0
Which is the reason why,
24:02.0
sa ating Gregorian calendar,
24:04.0
common na meron tayong 365 days.
24:06.0
Pero, to make up for
24:08.0
the one day na nabubuo
24:10.0
sa 365.25 taon-taon,
24:12.0
every four years,
24:14.0
meron tayong tinatawag na leap year
24:16.0
where the month of February has one extra day.
24:19.0
Tinatawag din natin itong
24:22.0
every four years na tayong leap year.
24:27.0
Alam na alam ko yan.
24:29.0
So hello kay Ninang Normie
24:31.0
na isa sa mga favorite ni Ninang Nusko.
24:34.0
Ang birthday niya ay February 29.
24:36.0
Kaya medyo joke namin yun na
24:39.0
every four years nang siya tumatanda.
24:41.0
At hanggang ngayon,
24:43.0
fresh na fresh pa rin talaga si Ninang Normie.
24:45.0
Pero, yung iba,
24:47.0
yung move nila ng March 1,
24:49.0
yung birthday nila para every year din may birthday.
24:51.0
Ngayon, 2023, meron tayong 365 days.
24:53.0
Pero, soon,
24:55.0
next year actually,
24:56.0
2024,
24:58.0
it's an example of a leap year.
25:00.0
May sobra siyang isang araw.
25:02.0
Merong February 29.
25:04.0
Sino mga nakakawalan tamang sagot?
25:06.0
Very good.
25:08.0
Question number eight na tayo.
25:10.0
True or false lang?
25:12.0
True or false? Tama o mali?
25:14.0
Totoo ba ang statement na ito?
25:16.0
The number that will complete the given division equation
25:18.0
is 100.
25:20.0
The equation is
25:22.0
6,000 divided by
25:24.0
blank
25:26.0
is 100.
25:28.0
20 seconds on our clock.
25:30.0
Your timer starts now.
25:32.0
Is this statement true or false?
25:34.0
Yung number ba
25:36.0
that will complete
25:38.0
this division equation
25:40.0
ay 100.
25:42.0
Ingat, ingat,
25:44.0
sa ating mga dami ng zero.
25:46.0
Misa, may mga students ako sabihin nila sa akin,
25:48.0
Coach, naduduling na ako sa mga zero.
25:50.0
Pero, ang importante diyan,
25:52.0
lalo na kung nage-exam,
25:54.0
you mark it.
25:56.0
False.
25:58.0
Bakit? Kasi kapag di-divide natin
26:00.0
ang 6,000 by 100,
26:02.0
600 ba ang lalabas?
26:04.0
Sumuka natin
26:06.0
para malaman natin kung totoo.
26:08.0
6,000,
26:10.0
meron tayong tatlong zero doon.
26:12.0
Kung di-divide natin siya by 100,
26:14.0
ang 100 may dalawang zero sa ilalim.
26:17.0
Kung i-cancel natin
26:19.0
yung magkakapares na zero
26:21.0
sa ilalim, meron tayong
26:23.0
two zeros.
26:25.0
We will be left
26:27.0
with 60
26:29.0
divided by 1.
26:31.0
Ang 60 divided by 1
26:33.0
is 60,
26:35.0
hindi 600.
26:37.0
Kaya, itong statement na to ay
26:39.0
false.
26:41.0
Para malaman natin kung ano yung tamang factor
26:43.0
na nawawala,
26:45.0
yung tama na number
26:47.0
na nawawala doon sa blank na yan,
26:49.0
ang pwede natin gawin
26:51.0
is to look at
26:52.0
the addition
26:54.0
and dividing it by 600.
26:56.0
We covered this a few weeks ago.
26:58.0
Ang kabalik tara ng
27:00.0
addition ay subtraction,
27:02.0
subtraction ay addition.
27:04.0
Ang multiplication naman,
27:06.0
ang kabalik tara niya ay division.
27:08.0
At ang division,
27:10.0
ang kabalik tara niya ay multiplication.
27:12.0
So, to look for the missing divisor,
27:14.0
we can divide 6,000 by 600.
27:16.0
Kung nilatag natin yun,
27:18.0
6,000 sa ilalim,
27:20.0
600.
27:22.0
Dahil yung ilalim ang ating determinant,
27:24.0
dalawa.
27:26.0
So, tatanggalin natin yung dalawa sa taas.
27:28.0
We will be left with
27:30.0
60.
27:32.0
Kasi sobra tayo na isa sa taas.
27:34.0
60 divided by 6.
27:36.0
60 divided by 6
27:39.0
is 10.
27:41.0
So, ang missing divisor natin
27:43.0
is not 100.
27:45.0
Ang nawawala ay 10.
27:47.0
Sobra yung 100.
27:49.0
Okay?
27:50.0
And the missing number
27:52.0
in this division equation,
27:54.0
blank divided by 300
27:56.0
is 90.
27:58.0
20 seconds on the clock.
28:00.0
Gamitin natin yung mga natutunan natin
28:02.0
kanina.
28:04.0
Pag nahuloy natin,
28:06.0
i-combine natin para makuha yung tamang sagot dito.
28:08.0
Actually, this is one of my favorite parts
28:10.0
when it comes to math.
28:12.0
It's like a puzzle.
28:14.0
Parang puzzle siya eh.
28:16.0
Paano ko ba ito iso-solve?
28:18.0
Paano ko ito iso-figure out?
28:20.0
Paano ko ito iso-figure out?
28:22.0
Our time is up.
28:24.0
Ang tamang sagot ay 27,000.
28:26.0
Okay, coach.
28:28.0
Paano mo nakuha yung 27,000?
28:30.0
Now, para mahanap natin yung nawawala.
28:32.0
This time, ang nawawala
28:34.0
is the dividend.
28:36.0
We must perform its inverse
28:38.0
or opposite operation
28:40.0
which is multiplication.
28:42.0
So, ang gagawin natin para makuha natin yun
28:44.0
i-multiply natin yung 300
28:46.0
by 90.
28:48.0
Okay?
28:50.0
It's tempting, no?
28:52.0
Parang, ako, 300 by 90.
28:54.0
Makulikado. Ang laki ng numbers.
28:56.0
But, dahil napag-usapan natin kanina
28:58.0
yung technique natin
29:00.0
when it comes to multiplying multiples of 10,
29:02.0
pwede natin yung gamitin
29:04.0
to do this.
29:06.0
So, 300 times 90.
29:08.0
Tatanggalin natin yung mga non-zero digits.
29:10.0
Now, we have 3 galing sa 300
29:12.0
and 9 na galing sa 90.
29:14.0
So, 3 times 9 na lang.
29:16.0
Kaya na natin yun.
29:18.0
9, 18, 27.
29:20.0
Tapos, idanagdag natin yung mga zero
29:22.0
na tinabi muna natin kanina.
29:24.0
So, meron tayong 2 zero galing sa 300
29:26.0
plus another zero na galing sa 90.
29:29.0
We have 3 zeros
29:31.0
na idudugtong natin
29:33.0
dun sa 27.
29:35.0
So, ang ating sagot ay
29:37.0
27,000.
29:39.0
Now, pag nakuha natin yun,
29:41.0
again, mas maganda if we check.
29:43.0
Lagi i-check.
29:45.0
Lagi i-verify para malaman kung tama.
29:47.0
So, 27,000
29:48.0
divided by 300
29:50.0
90 nga ba siya?
29:52.0
Subukan natin gamitin yung
29:54.0
technique natin kanina.
29:56.0
27,000 divided by 300
29:58.0
may 2 zero sa ilalim.
30:00.0
Punin natin yung 2 zero sa taas.
30:02.0
So, instead of 27
30:04.0
divided by 300,
30:06.0
what you're left with is 270
30:08.0
divided by 3
30:10.0
which is going to give you 90.
30:12.0
Tama tayo doon.
30:14.0
So, kung nakikita natin,
30:16.0
bumibilis yung utak natin
30:18.0
kung ito yung plan of attack ko,
30:20.0
ito yung gagawin ko,
30:22.0
that is actually a good thing.
30:24.0
Alright, question number 10.
30:26.0
Challenge question natin.
30:28.0
Pagsamayan natin lahat ng mga natutunan natin ngayon.
30:30.0
Just a little bit of willpower.
30:32.0
Hindi tayo susuko.
30:34.0
Susubukan natin mag-solve
30:36.0
Ninong John John
30:38.0
exchanged 2,000 pesos
30:40.0
for 20 peso bills.
30:42.0
How many pieces of 20 peso bills
30:44.0
did he get?
30:46.0
Is it A, 10?
30:48.0
200.
30:50.0
20 seconds sa ating clock.
30:52.0
Ano ang tamang sagot?
30:54.0
It may seem simple,
30:56.0
but believe me,
30:58.0
hanggang ako sa civil service exam
31:00.0
may similar question ako na-encounter dyan.
31:02.0
One of the ways we can solve this
31:04.0
is to visualize it.
31:06.0
Ano nga ba yung nawawala?
31:08.0
Paano nga ba yung isolve?
31:12.0
Few more seconds
31:14.0
and your time is up.
31:16.0
Ang tamang sagot ay
31:18.0
100.
31:20.0
Tama ba yung mga classmates natin?
31:22.0
Kung medyo pressed for time,
31:24.0
naubusan ng konti ng oras,
31:26.0
okay lang yan.
31:28.0
Practice, practice, practice
31:30.0
para mas lalong bumilis.
31:32.0
Pero for now,
31:34.0
isolve natin ito together
31:36.0
para may mapulo tayong technique.
31:38.0
2,000 pesos ang kanyang pinapalit
31:40.0
sa tigbe 20.
31:42.0
So ang question ay,
31:44.0
ilang 20 meron sa 2,000?
31:46.0
Okay.
31:49.0
Sa 2,000 may tatlong zero,
31:51.0
sa 20 meron isa.
31:53.0
May magkapares,
31:55.0
meron sa taas, meron sa baba,
31:57.0
pero isa lang,
31:59.0
kasi isa lang yung zero ng 20.
32:01.0
We will be left with
32:03.0
200 divided by 2.
32:05.0
Now yun, madali na lang natin masasolve.
32:07.0
That is going to give us
32:09.0
100.
32:11.0
200 divided by 2 is 100.
32:13.0
So,
32:15.0
yun na yung ating sagot.
32:16.0
So,
32:18.0
mabibilis yung mga classmates natin.
32:20.0
Pero, again,
32:22.0
it's not just about speed.
32:24.0
Importante,
32:26.0
tama rin ating makuhang sagot.
32:28.0
So, munting paalala lang,
32:30.0
lalo na kung we're talking about techniques,
32:32.0
mga speed math techniques,
32:34.0
alam ko maraming mahilig sa tigbe 20.
32:36.0
So,
32:38.0
mabibilis yung mga classmates natin.
32:40.0
Pero again,
32:42.0
it's not just about speed.
32:44.0
Importante,
32:47.0
pero,
32:49.0
minsan, kapag bumibilis tayo,
32:51.0
nawawalan tayo ng attention to detail,
32:53.0
nawawalan na ating focus,
32:55.0
naging overconfident tayo.
32:57.0
So, dapat meron tayong balansin yan.
32:59.0
Kahit na nagmamadali tayo sa pagsagot
33:01.0
o alam na alam na natin yung ating gagawin,
33:03.0
ang tatandaan natin is to always verify,
33:05.0
always check,
33:07.0
para malaman natin kung tama ba talaga yung ating ginawa.
33:10.0
May balanse.
33:12.0
Hindi lang dapat mabilis,
33:14.0
hindi lang dapat tama.
33:16.0
At tama, para mas maganda.
33:18.0
At sa mga nalilito, it's okay.
33:20.0
Ang importante, again, sinusubukan natin.
33:22.0
When we try, that's when we learn,
33:24.0
that's when we grow.
33:26.0
Eventually, that's how you earn.
33:28.0
So, important din,
33:30.0
i-challenge ang sarili
33:32.0
to push ourselves further, di ba?
33:34.0
Okay, sumukan ko muna, sumukan ko muna
33:36.0
para lalo akong bumibilis.
33:38.0
Yan naman ang kwento sa totoo lang
33:40.0
when it comes to falling in love with math.
33:42.0
One of the ways that we do that
33:44.0
is when we keep trying.
33:46.0
Kung nagnotes kayo kanina
33:48.0
or pwede nyo mapanood ulit ang episode na ito
33:50.0
after we finish,
33:52.0
pwede nyo balikan
33:54.0
para ito lang sa sarili.
33:56.0
And that's how you will be fast, di ba?
33:58.0
Alam ko, usapang fast,
34:00.0
mabilis din ang oras.
34:02.0
Kasi tapos na tayo agad,
34:04.0
pero huwag kayong magalala,
34:06.0
again, weekly naman tayong nagkikita.
34:08.0
Weekly din tayong natututo together.
34:10.0
I'm also learning from you,
34:12.0
lalo na sa dedication ng ating mga classmates
34:14.0
sa perfect attendance.
34:16.0
Na kapag Wednesday ay 4 p.m.
34:18.0
4 p.m. on a Wednesday,
34:20.0
ito ay for you, for me,
34:22.0
for everybody,
34:24.0
sama ng buong entire family,
34:26.0
buo na entire pa,
34:28.0
knowledge on the go day for us.
34:30.0
Now, wag kayong aalis ha,
34:32.0
kasi naghihintay na si Kuya Robbie
34:34.0
at excited din siya
34:36.0
to learn with you ngayon.
34:38.0
Kaya enjoy the rest of your week.
34:40.0
Remember to be kind always,
34:42.0
kasama sa sarili.
34:44.0
And this is Coach Laika,
34:46.0
see you next week,
34:48.0
dito lang sa Knowledge on the Go.
34:50.0
Bye!