1. How many sets of 5 are there?
Five times
Here are three sets of 10.
How many sets of 5 are there?

2. There are two sets of 5 in each 10 so there must be six sets.
Five times
There are two sets of 5 in each 10 so there must be six sets.

3. Five times
So what is 6 x 5 ?

4. Five times 30

5. Five times
So what is 8 x 5 ?

6. Five times 40

7. There is a pattern in the answers we have found. What do you notice?
Five times
There is a pattern in the answers we have found. What do you notice?
2 x 10 = 4 x 5
3 x 10 = 6 x 5
4 x 10 = 8 x 5
5 x 10 = 10 x 5

8. I can see doubling and halving.
Five times
2 x 10 = 4 x 5
3 x 10 = 6 x 5
I can see doubling and halving.
4 x 10 = 8 x 5
5 x 10 = 10 x 5

9. Five times
Give me an example.
2 x 10 = 4 x 5
3 x 10 = 6 x 5
4 x 10 = 8 x 5
5 x 10 = 10 x 5

10. Five times
2 x 10 = 4 x 5
4 is doubled to get 8.
10 is halved to get 5.
3 x 10 = 6 x 5
4 x 10 = 8 x 5
5 x 10 = 10 x 5

11. What should go on this card?
Five times
What should go on this card?
2 x 10 = 4 x 5
3 x 10 = 6 x 5
4 x 10 = 8 x 5
5 x 10 = 10 x 5

12. Five times
2 x 10 = 4 x 5
3 x 10 = 6 x 5
It should be
3½ x 10 = 7 x 5
4 x 10 = 8 x 5
5 x 10 = 10 x 5

13. Five times
So what is 7 x 5?
2 x 10 = 4 x 5
3 x 10 = 6 x 5
3½ x 10 = 7 x 5
4 x 10 = 8 x 5
5 x 10 = 10 x 5

14. Five times
2 x 10 = 4 x 5
3 x 10 = 6 x 5 35
3½ x 10 = 7 x 5
4 x 10 = 8 x 5
5 x 10 = 10 x 5