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Multiplying Numbers from 1 to 10 by 3 and 4 | MathDali
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00:00.0
Isip last met ka, it was mathdali!
00:04.6
Hello, ladies and gentlemen, boys and girls, classmates all over the world!
00:10.1
Today is Mathdali Day!
00:13.4
Ako si Kyo, Robby, and welcome sa Mathdali Live!
00:19.0
At ang ating lesson ay katulad ng ating last meeting.
00:23.0
Instead of having those numbers na 2, 5, and 10,
00:28.9
may panibagong lesson tayo.
00:30.8
Multiplication of numbers from 1 to 10 pero ngayon
00:35.0
by 3 and 4.
00:39.2
So makakuha na natin.
00:41.0
Pwede tayong magmultiply ng 2, 5, 10.
00:45.1
And sa pagtatapos ng lesson natin for today,
00:48.4
kayang kaya na natin ang 3 and 4.
00:52.0
Recap lang tayo.
00:53.8
Sa nakaraang meeting ay napag-aralan natin na may dalawang paraan to multiply.
01:00.7
Maaaring sa pamanggitan ng repeated addition or by skip counting
01:06.1
or counting by multiples.
01:08.7
Yun ang two ways natin.
01:10.5
Gagawin din natin ito to multiply numbers by 3 and by 4.
01:17.3
Okay?
01:18.4
Tara, sabukan natin.
01:20.3
Unahin muna natin ang multiplication by 3s.
01:27.9
Tignan muna natin ng mabuti itong larawan na ito.
01:36.4
5 pangkat ng tigtatlong stuffed toys.
01:42.4
Ganda, no?
01:43.8
Baka nagbigay ka ng stuffed toy doon sa crush mo.
01:48.0
Pwede, di ba?
01:49.5
Ang katumbas nito ay 5 times 3.
01:55.1
Maaaring ipakita ang multiplication sa pamanggitan ng repeated addition.
02:00.5
Katulad na lamang itong kalimbawa natin.
02:03.7
5 pangkat ng tigtatlong teddy bear, di ba?
02:09.8
Katumbas na lamang nito.
02:12.6
5 times 3 is equal to 3 plus 3 plus 3 plus 3 plus 3.
02:23.8
Mula rito, maaaring natin masagot ang multiplication expression
02:28.4
na 5 times 3 sa pamanggitan ng pagsasama-sama o pag-a-add
02:33.6
ng numerong 3 ng limang beses kagaya na lamang nito.
02:39.6
3 plus 3 is 6.
02:42.8
6 plus 3 is 9.
02:45.3
9 plus 3 is 12.
02:48.4
12 plus 3 is 15.
02:51.9
Kaya naman ang product ng 5 times 3 ay 15.
02:56.0
Ang multiplication equation natin ay 5 times 3 is equal to 15.
03:02.9
At pwede rin natin gawin ang skip counting or counting by multiples
03:06.5
tulad ng ginawa natin last week.
03:08.8
Base sa grid natin, ang unang limang counting multiples ng 3
03:13.8
o kapag nag-skip counting tayo by 3s,
03:17.1
ang numbers ay 3, 6, 9, 12, 15.
03:25.1
At dahil 15 ang ikalimang multiple,
03:28.6
ito na nga ang product sa 5 times 3.
03:31.3
Kaya ang 5 times 3 ay 15.
03:35.0
Subok pa tayo ng isang kalimbawa? Yes?
03:37.9
Okay.
03:39.6
Ano naman ang sagot sa 6 times 3?
03:46.6
Kapag gumamit tayo ng repeated addition,
03:49.2
ang equation nito ay 6 times 3 is equal to
03:53.8
3 plus 3 plus 3 plus 3 plus 3 plus 3.
04:02.6
Mula rito, isa-isa yun natin pagsamahin o i-add ang 3
04:07.0
para makuha yung product ng 6 times 3.
04:11.7
Sabayan nyo ako.
04:13.3
3 plus 3 is 6.
04:16.7
6 plus 3 is 9.
04:19.0
9 plus 3 is 12.
04:21.2
12 plus 3 is 15, katulad ng kanina.
04:24.2
And 15 plus 3 is 18.
04:28.4
Kaya naman 6 times 3 is 18.
04:32.2
Ang product ng 6 times 3 ay 18.
04:34.9
O 6 times 3 equals 18.
04:40.3
E gamit ang skip counting by 3s,
04:44.2
ano ang sagot sa 6 times 3?
04:47.2
Let's skip count.
04:49.5
3, 6, 9, 12, 15, 18.
04:57.0
At dahil 18 ang ika-anim na counting multiple ng 3,
05:00.9
kaya ang 6 times 3 ay equal sa 18.
05:05.0
Ayos, parehas lang yung nakuha nating sagot.
05:08.3
Kaya naman mainam o mas makakatulong talaga
05:11.5
kung alam natin ang skip counting by 3s.
05:14.7
Sige, paano nga bang mag-skip count by 3s?
05:20.2
Mayroon tayong chart dyan.
05:21.7
Sabayan nyo ako.
05:23.0
3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, and 60.
05:44.3
Yan ang chart natin.
05:45.5
Pwede pang kumaba yan.
05:46.9
Pero sa ngayon, mas mainam
05:49.5
kung alam natin at iintindihin natin ang mabuti.
05:53.5
Kung kanina, multiplication by 3s tayo.
05:57.7
Ngayon, punta naman tayo.
06:00.3
Hindi sa moon, pero pupunta tayo sa multiplication by 4s.
06:06.5
Okay?
06:08.1
Tignan natin mabuti ang larawan na ito.
06:14.4
Mayroon tayong limang pangkat ng ting-apat na preserved roses.
06:21.6
Wow, ganda naman!
06:24.0
Ang katumbas nito ay 5 times 4.
06:29.1
Ang repeated addition nito ay 4 plus 4 plus 4 plus 4 plus 4.
06:37.1
Tulad ng ginawa nating proseso kanina,
06:39.5
pagsasamaan natin isa-isa ang bilang na 4 hanggang makuha natin
06:44.8
ang product ng 5 times 4.
06:48.3
Simula natin?
06:49.6
Okay.
06:51.2
4 plus 4 is 8.
06:54.3
8 plus 4 is 12.
06:57.4
12 plus 4 ay 16.
07:01.1
16 plus 4 ay 20.
07:05.8
5 times 4 is 20.
07:09.3
Ang product ng 5 at 4 ay 20, kaya 5 times 4 equals 20.
07:15.6
Pwede rin natin gawin ng skip counting or counting by multiples.
07:19.3
At base sa grid natin,
07:22.0
ang unang limang counting multiples ng 4
07:24.6
o kapag nag-skip counting tayo by 4s,
07:27.8
ang numbers ay
07:30.6
4, 8, 12, 16, 20.
07:37.7
At dahil 20 ang ikalimang multiple,
07:41.7
ito ang product ng 5 at 4.
07:43.9
Kaya ang sagot sa 5 times 4 ay 20.
07:48.2
Parehas lang, sagot natin. Namuha, diba?
07:51.0
Mas galing.
07:52.7
Bago tayo mag-math the liquid's time,
07:55.4
sumubok pa tayo ng isa pa.
07:58.1
Ano naman ang sagot sa 6 times 4?
08:06.2
Using repeated addition,
08:09.0
ano magiging equation natin?
08:11.7
Ito ay magiging
08:13.7
4 plus 4 plus 4 plus 4 plus 4 plus 4.
08:21.2
Ang daming 4, pero kaya natin yan.
08:25.2
Isa-isa natin pagsamahin yung 4
08:27.4
hanggang sa makuha natin yung product
08:29.8
ng 6 times 4.
08:32.0
Game? Game.
08:35.1
4 plus 4 is 8.
08:39.3
8 plus 4 is 12.
08:43.6
12 plus 4 is 16.
08:47.1
16 plus 4 is 20.
08:51.5
20 plus 4 is 24.
08:55.9
6 times 4 is 24.
09:01.1
6 times 4 is 24? Excellent!
09:04.7
I-check naman natin using skip counting method.
09:08.9
Skip count tayo by force.
09:10.4
Kung parehas lang ba yung nakuha natin
09:12.7
sa sagot natin. Okay?
09:15.2
Let's skip count.
09:16.9
4, 8, 12, 16, 20, 24.
09:27.7
Parehas lang ba?
09:29.7
Oo naman. Ang galing.
09:31.9
Kaya naman 6 times 4 equal sa 24.
09:37.5
Ayos yung nakuha natin.
09:39.9
Madali lang, di ba?
09:41.7
Okay.
09:42.7
Kung kanina nakita natin yung table ng 3s.
09:46.2
Ngayon naman, tingnan natin yung table ng 4s.
09:49.2
Let's skip count by force.
09:51.0
Sabayan nyo ako.
09:52.2
4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, and so on and so forth.
10:19.2
Nasundan ba ng lahat?
10:23.2
If I were you,
10:25.2
i-screenshot nyo na to
10:28.2
para ma-memorize natin ang multiples by 4.
10:32.2
Okay?
10:33.2
Bukang ready na tayo.
10:35.2
Okay, tandaan na sa pag-multiply ng numbers by 3 and 4
10:39.2
ay pwede tayo gumamit ng different ways and solutions.
10:42.2
Pwede tayo gumamit ng repeated addition
10:44.2
o kaya pwede yung ginagawa natin
10:47.2
mas mabilis.
10:49.2
Skip counting.
10:51.2
Kumuha na ng paper,
10:53.2
ng lapis o pen,
10:55.2
dahil magsisimula na ang Math Dali.
10:57.2
Quiz time!
10:59.2
Let's go to question number 1.
11:02.2
Gamit ang repeated addition,
11:05.2
ano nga bang product ng 4 at 3?
11:08.2
Is it A12, B15, C18, D21?
11:12.2
20 seconds, go.
11:14.2
Hmm.
11:21.2
4 at 3.
11:23.2
Oh.
11:24.2
Pwede natin gamitin yung skip counting by 3s.
11:27.2
Pwede natin gamitin yung skip counting by 4s.
11:30.2
Galing!
11:31.2
And time is up.
11:33.2
Correct answer ay
11:37.2
letter A, 12.
11:39.2
Eh paano ba ito? Nakuha ko yung row B.
11:41.2
Ang repeated addition, equation ng 4 times 3 ay
11:46.2
3 plus 3 plus 3 plus 3.
11:49.2
Mula rito, pwede na natin pagsamahin
11:52.2
yung bilang para makuha yung product.
11:55.2
3 plus 3 plus 3 plus 3
11:58.2
is equal to 12.
12:00.2
Kaya ang 4 times 3 ay 12.
12:03.2
Sino ba nakakuha ng tamang sagot?
12:06.2
Okay, quick review sa lahat ng mga classmates natin
12:10.2
tungkol naman sa properties.
12:12.2
Ano naman ang 3 times 4?
12:19.2
12 pa rin kasi kahit baliktarin natin
12:22.2
eh yun pa rin yung sagot, di ba?
12:24.2
Oh, galing!
12:27.2
Nababalikan natin yung mga previous lessons natin.
12:30.2
Okay.
12:31.2
Nakuha na natin yung sagot sa question number 1.
12:34.2
Mapunta naman tayo sa question number 2.
12:37.2
Ano naman ang product ng 4 at 4?
12:42.2
Is it A, 8?
12:44.2
B, 12?
12:45.2
C, 14?
12:46.2
Or D, 16?
12:47.2
20 seconds. Go!
12:52.2
4 at 4.
12:54.2
4 plus 4 plus 4 plus 4.
12:57.2
So, 4, 8, 12,
13:06.2
and time is up.
13:11.2
Ang tamang sagot ay letter D, 16.
13:16.2
Ayan!
13:17.2
Paano ba nakuha yung 16?
13:19.2
Well, manalaman natin ang kasagutan ngayon din.
13:24.2
Ang repeated addition equation ng 4 times 4 ay
13:27.2
4 plus 4 plus 4 plus 4.
13:30.2
At mula rito pwede na natin pagsamasamahin ang bilang
13:33.2
para makuha yung product.
13:35.2
4 plus 4 plus 4 plus 4 ay equal sa 16.
13:41.2
So, 4 times 4 ay 16.
13:44.2
Pares ba tayo nakuha ng tamang sagot?
13:47.2
Galing!
13:49.2
Let's go naman sa ating question number 3.
13:53.2
Gamit ng counting by multiples.
13:55.2
Ano ang sagot sa 7 times 3?
14:00.2
Is it A, 18?
14:02.2
B, 21?
14:03.2
C, 24?
14:04.2
D, 28?
14:05.2
20 seconds.
14:06.2
Go!
14:11.2
Hmm.
14:12.2
7 times 3.
14:14.2
3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3.
14:21.2
Okay, repeated addition yun.
14:23.2
E paano kung nag-skip count tayo?
14:27.2
3, 6, 9, oh!
14:29.2
Time is up!
14:30.2
Mabuti pa!
14:31.2
Sagotin na natin.
14:32.2
Ang tamang sagot ay letter B, 21.
14:39.2
Kanina, nagtry tayo ng repeated addition.
14:42.2
Ngayon naman, mag-skip count tayo.
14:44.2
Okay?
14:46.2
Sabihin niyo ako.
14:47.2
Ready, set, go!
14:49.2
3, 6, 9, 12, 15, 18, 21.
14:57.2
Kaya 7 times 3 ay 21.
15:00.2
Ang galing ng mga classmates natin.
15:03.2
Diretso tayo sa ating question number 4.
15:08.2
Gamit ng counting by multiples.
15:11.2
Ano nga ba ang sagot sa 7 times 4?
15:15.2
Kanina 3, ngayon 4.
15:17.2
Is it A, 22?
15:18.2
B, 24?
15:20.2
C, 26?
15:21.2
Or D, 28?
15:22.2
20 seconds.
15:24.2
Go!
15:26.2
So, 4 plus 4 plus 4 plus 4 plus 4 plus 4 plus 4.
15:34.2
So, ang gagawin natin, 4 plus 4 is 8.
15:39.2
Plus 4 is 12.
15:42.2
Plus 4, 16.
15:45.2
Mabuti pa!
15:46.2
Sagotin na natin.
15:47.2
Time is up!
15:48.2
Ang tamang sagot ay letter D, 28.
15:53.2
Para makuha yung tamang kasagutan,
15:56.2
skip count tayo.
15:57.2
Okay?
15:58.2
So, upusan na natin sa 4, 8, 12, 16, 20, 24, and 28.
16:10.2
Ang sagot sa 7 times 4 ay 28.
16:15.2
Very simple.
16:16.2
For sure, maraming nakakuha ng tamang sagot.
16:19.2
Diretso naman tayo sa ating math-daily question number 5.
16:25.2
Si Danica ay may walong flower vases
16:29.2
na naglalaman ng apat na tulips kada vase.
16:33.2
Ilang pirasong tulips mayroon lahat si Danica?
16:36.2
Is it A, 30?
16:38.2
B, 32?
16:39.2
C, 34?
16:40.2
Or D, 36?
16:43.2
20 seconds.
16:44.2
Go!
16:46.2
Si Danica ay may walong flower vases
16:49.2
na naglalaman ng apat na tulips kada vase.
16:52.2
Uy, kind of flower yan.
16:53.2
Favorite yan ni mommy.
16:56.2
Ilang pirasong tulips mayroon lahat si Danica?
17:01.2
Hmm.
17:02.2
Ilang nga ba?
17:05.2
And time is up!
17:08.2
Ang tamang sagot ay 32.
17:13.2
Good job sa mga nakakuha ng tamang sagot!
17:15.2
Pero bakit pabalat na nakuha to?
17:17.2
I-analyze muna natin yung problem.
17:20.2
May walong vase si Danica.
17:23.2
At sa bawat vase,
17:25.2
merong apat na tulips tayo.
17:29.2
Ito ay magiging 8 times 4.
17:32.2
So pwede natin isolve ang problem
17:34.2
gamit ang repeated addition o skip counting.
17:37.2
Para makuha ang kasagutan,
17:39.2
let's skip count by 4s.
17:41.2
At yung pangwalo na counting multiple,
17:43.2
yun ang magiging kasagutan natin.
17:46.2
Let's skip count, okay?
17:48.2
So, 4, 8, 12, 16, 20, 24, 28, and 32.
18:01.2
Ang ikawalong multiple ay 32.
18:05.2
Kaya ang sagot natin sa 8 times 4 ay 32.
18:09.2
Yan ang tamang sagot.
18:11.2
At kapag sinolve natin using repeated addition,
18:15.2
parang walang mga makakuha natin na 32.
18:18.2
Si Danica ay may 32 pieces ng tulips.
18:25.2
Good job!
18:27.2
High five sa lahat ng mga nakaka-perfect score.
18:29.2
5 out of 5 tayo.
18:31.2
Thank you so much for solving with us, guys.
18:34.2
Ang galing.
18:35.2
Samaan niyo ulit ako next week
18:36.2
sa isang makabuluhan at masayang pag-aaral.
18:40.2
Ako si Kuya Robbie na nagsasabing
18:42.2
isip plus saga equals madali.
18:47.2
I'll see you guys next week.
18:49.2
Bye bye!