Use arrays

1.

2.

3.

1) How many spots?
2) How many pencils?
3) Four lots of two is equal to ______
4) Two lots of four is equal to ______

4.

1) How many spots?
12
2) How many pencils?
6
8
3) Four lots of two is equal to ______
8
4) Two lots of four is equal to ______

5.

6.

I will make an array using 15 counters.

7.

3 rows of _____
5
There are _____
5 + ____
5 + ____
5 = ____
15
____
5 = _____
3 × _____
15
_____

8.

5 columns of _____
3
There are _____
3 + ____
3 + ____
3 + ____
3 + ____
3 = ____
15
____
5 × _____
3 = _____
15
_____

9.

Have a think
What do you notice?
3×5
5 × 3 and 3 × 5 are equal.
5×3

10.

Have a think
What arrays can you make with these counters?
12 counters
3 rows of 4 counters.
3 × 4 = 12
4 columns of 3 counters.
4 × 3 = 12

11.

What arrays can you make with these counters?
12 counters
2 rows of 6 counters.
2 × 6 = 12
6 columns of 2 counters.
6 × 2 = 12

12.

What arrays can you make with these counters?
12 counters
1 row of 12 counters.
1 × 12 = 12
12 columns of 1 counter.
12 × 1 = 12

13.

Have a think
What arrays can you make with these counters?
12 counters
Can you make 5 equal groups?

14.

What arrays can you make with these counters?
12 counters
Can you make 5 equal groups?

15.

Have a think
Dora has 8 counters.
Eva has 2 counters more than Dora.
What arrays can they make if they use all
of their counters?

16.

Dora has 8 counters.
Eva has 2 counters more than Dora.
What arrays can they make if they use all
of their counters?
9×2
2×9

17.

Dora has 8 counters.
Eva has 2 counters more than Dora.
What arrays can they make if they use all
of their counters?
9×2
2×9
18 × 1
6×3
1 × 18
3×6

18.

19.

Have a go at questions

20.

I do
You do

21.

Rosie
Alex
Amir
Whitney
Ron
Dexter
Annie
Tommy
Mo
Jack
Eva
Teddy
Max
Kim
Jo
Sam

22.

Speech bubble text –
replace with any
character head.
Speech bubble text –
replace with any
character head.
Bee
Diddy
Tiny

23.

100
40
TTh
Th
H
T
O
Tth
Hth
60