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

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Presentation on theme: "Here are three sets of 10. How many sets of 5 are there? Five times."— Presentation transcript:

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

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

3 So what is 6 x 5 ? Five times

4 30 Five times

5 So what is 8 x 5 ? Five times

6 40 Five times

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

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

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

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

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

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

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

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


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