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