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Lesson 1: Divide by 10
Here is the link to the video, please follow it and watch the appropriate video.
Divide by 10:
https://whiterosemaths.com/homelearning/year-3/week-10-number-multiplication-division/
1) Complete the calculations
7 × 10 = 4 × 10 =
10 × 9 = 10 × 11 =
2) Circle the multiples of 10
12 120 55 80 10 41 14
3) Here is an array.
How many groups of 10 are there?
1) Complete the calculations
7 × 10 = 4 × 10 =
10 × 9 = 10 × 11 =
2) Circle the multiples of 10
12 120 55 80 10 41 14
3) Here is an array.
How many groups of 10 are there?
70 40
90 110
4
Here are 20 flowers.
We can share the flowers between 10 pots.
We can group the flowers into pots of 10
Have a think
Here are 20 flowers.
The flowers are shared equally between 10 pots.
There are 2 flowers in each pot.20 ÷ 10 = 2
Here are 20 flowers.
The flowers are grouped into pots of 10
There are 2 pots of 1020 ÷ 10 = 2
1 × 10 = 10
10 ÷ 10 = 1
2 × 10 = 20
20 ÷ 10 = 2
3 × 10 = 30
30 ÷ 10 = 3
4 × 10 = 40
40 ÷ 10 = 4
Have a think
1 × 10 = 10 10 ÷ 10 = 1
2 × 10 = 20 20 ÷ 10 = 2
3 × 10 = 30 30 ÷ 10 = 3
4 × 10 = 40 40 ÷ 10 = 4
5 × 10 = 50 50 ÷ 10 = 5
6 × 10 = 60 60 ÷ 10 = 6
7 × 10 = 70 70 ÷ 10 = 7
8 × 10 = 80 80 ÷ 10 = 8
Use the array to complete the calculations
× =3 30 ÷ =30 3
× =10 30 ÷ =30 10
10
3 3
10
Use the array to complete the calculations
× =4 40 ÷ =40 4
× =10 40 ÷ =40 10
10
4 4
10
Have a think
Alex buys 10 rolls.
She pays with a £1 coin and gets 10p change.10 rolls cost 90pEach roll costs 9p
Whitney buys 2 rolls.How much does Whitney spend?
Have a think
90 ÷ 10 = 9
2 × 9 = 18Whitney spends 18p
Have a go at the questions on the worksheet
Lesson 2: Multiply by 3
Please click on the link below and click on the appropriate video.
Multiply by 3:https://whiterosemaths.com/homelearning/year-3/week-11-number-multiplication-division/
1) How many cookies?
2) How many pencils?
3) Here is an array.
How many groups of 3 are there?
1) How many cookies?
2) How many pencils?
3) Here is an array.
How many groups of 3 are there
9
18
4
What do you see?
× =
+ + =3
3
33
3
9
9
There are ____ equal groups of ____3 3
What do you see?
× =
+ + + + =3
3
33
5
15
15
There are ____ equal groups of ____5 3
3 3
× =53 15
Have a thinkWhat do you see?
8 groups of 3 spots3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 = 248 × 3 = 243 × 8 = 24
1 × 3 = 33 × 1 = 3
2 × 3 = 63 × 2 = 6
3 × 3 = 93 × 3 = 9
0 3
0 3 6
0 3 6 9
3
3 3
3 3 3
Have a think
Which number story matches the picture?
Whitney plants 2 pots of flowers with 3
flowers in each pot.She plants 6 flowers
altogether.
Whitney plants 3 pots of flowers with 2
flowers in each pot.She plants 6 flowers
altogether.
Have a think
2 × 3 = 6 or 3 × 2 = 6
Draw a picture to represent each number story.
Amir has 3 pots of pencils. There are 5 pencils in each pot.
Have a think
5 × 3 = 15 or 3 × 5 = 15
Amir has 5 pots of pencils. There are 3 pencils in each pot.
Is Jack correct?
Have a think
12 × 3 = 10 × 3 + 2 × 3
10 × 3 2 × 3
12 × 3
How can Jack use this to help calculate
6 × 3 3 × 4
Have a think
I know 5 × 3 = 15
5 × 3 1 × 3+ 3 × 5 3 × 1−
15 3+ 15 3−
= 18 = 12
Lesson 3: Divide by 3
Please click on the link below and click on the appropriate video.
Divide by 3:https://whiterosemaths.com/homelearning/year-3/week-11-number-multiplication-division/
1) Complete the calculations
3 × 3 = 10 × 3 =
3 × 6 = 3 × 11 =
2) Circle the multiples of 3
14 6 10 15 36 24 20
3) Here are some cubes.
How many groups of 3 are there?
1) Complete the calculations
3 × 3 = 10 × 3 =
3 × 6 = 3 × 11 =
2) Circle the multiples of 3
14 6 10 15 36 24 20
3) Here are some cubes.
How many groups of 3 are there?
9 30
18 33
4
The children are playing a game.They need to divide themselves into three teams.
How many will be in each team?There are 2 children in each team.
There are 2 teams of 3 children.
Now the children need to get into teams of 3
How many teams of 3 will there be?
Shared into 3 equal teams
6 ÷ 3
Grouped into teams of 3
There are 2 children in each team.
There are 2 groups of 3 children.
= 2
Here are 21 cakes.
They are shared equally between 3 plates.
They are divided into groups of 3
Have a think
They are shared equally between 3 plates.
There will be 7 cakes on each plate.21 ÷ 3 = 7
They are divided into groups of 3
There will be 7 plates of 3 cakes.21 ÷ 3 = 7
Have a go at questions 1 - 3 on the worksheet
3 3 3 3 3 3 3 3 3 3
Which bar model shows 30 ÷ 3?
10 10 10
30
30Have a think30 divided into groups of 3
30 divided into 3 equal parts
Which numbers will divide exactly by 3?
13
Have a think
33
23 27
3 3 3 3 1 11 11 11
8 8 7 3 3 3 3 3 3 3 3 3
24÷ 3 = 8
0 3 6 9 12 15 18 21 24
0 3 6 9 12 15 18 21 24
+ 3
− 3
The baker has 24 tarts. He puts 3 tarts into each box.How many boxes can he fill?
Have a go at questions 4 - 7 on the worksheet
When you add three consecutive numbers, the total can always be divided equally by 3
Is this statement correct?
1 + 2 + 3 = 65 + 6 + 7 = 189 + 10 + 11 = 30
Is it possible to make every multiple of 3 using a sum of 3 consecutive numbers?
6 ÷ 3 = 218 ÷ 3 = 630 ÷ 3 = 10
Lesson 4: The 3 times table
Please click on the link below and click on the appropriate video.
The 3 Times-Table:https://whiterosemaths.com/homelearning/year-3/week-11-number-multiplication-division/
1) How many pears?
2) How many fish?
3) Complete the number track.
3 6 9 18 24 30 36
1) How many pears?
2) How many fish?
3) Complete the number track.
3 6 9 18 24 30 36
18
12 15 21 27 33
9
3 6 9 12 15 18 21 24 27 30 33 36
How many groups of 3 teddies?
or× =4 3 12 × =3 4 12
or× =8 3 24 × =3 8 24
× =6 3 18 × =3 6 18
÷ =18 3 6 ÷ =18 6 3
Have a think
12 3 18 24 15
24 30 21 18 9
15 24 6 30 36
9 33 12 21 6
8 × 3 = 24
× 3 = 33
What number did Eva roll?
Have a think
Eva rolled 11
11
Have a go at questions 1 - 4 on the worksheet
5 18 ÷ 3
Have a think
<
18
6 6 6
Which card has the greater value?
12 × 3 12 ÷ 3
Have a think
>
12 12 12
12
4 4 4
36
Which card has the greater value?
What is 19 × 3?
I started from 12 × 3 and counted up 7 more 3s
0 36
12 × 3 + 3
39
+ 3
42
+ 3
45
+ 3
48
+ 3
51
+ 3
54
+ 3
57
Have a think
What is 19 × 3?
I added 10 × 3 and 9 × 3 to make 57
10 × 3 = 30 9 × 3 = 27
30 + 27 = 57
What is 19 × 3?
I know 10 × 3 + 10 × 3 is equal to 20 × 3 and that is 60 Then I took one 3 away
10 × 3 = 30 10 × 3 = 30
20 × 3 = 6060 − 3 = 57
Have a go at the rest of the questions on the
worksheet
Lesson 5: The 3 times table
Please click on the link below and click on the appropriate video.
Multiply by 4:https://whiterosemaths.com/homelearning/year-3/week-11-number-multiplication-division/
1) How many pencils?
2) How many spots?
3) Here is an array.
How many groups of 4 are there?
1) How many pencils?
2) How many spots?
3) Here is an array.
How many groups of 4 are there?
20
16
3
What do you see?
× =
+ + =4
4
44
3
12
12
There are ____ equal groups of ____3 4
× =34 12
Have a thinkWhat do you see?
8 groups of 4 spots4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 = 328 × 4 = 324 × 8 = 32
1 × 4 = 44 × 1 = 4
2 × 4 = 84 × 2 = 8
3 × 4 = 124 × 3 = 12
0 4
0 4 8
0 4 8 12
4
4 4
4 4 4
Which number story matches the picture?
There are 3 boats. Each boat has 4 children.
There are 12 children altogether.
There are 4 boats. Each boat has 3 children.
There are 12 children altogether.
Have a think
3 × 4 = 12 or 4 × 3 = 12
Draw a picture to represent each number story.
Amir has 2 plates of cakes. Each plate
has 4 cakes.
Have a think
2 × 4 = 8 or 4 × 2 = 8
Amir has 4 plates of cakes. Each plate
has 2 cakes.
Have a go at all of the questions on the
worksheet
double
4 × 1
4 × 2
1 1 1double
1 1 1 1
double2 2 2
double2 2 2 2
double double
4 ×
Have a think
4 × 9 is the same as 4 × 3 × 3
4 × 9
4 × 3 4 × 3 4 × 3
4 × 9