1. Topics: Number Sense Inversion Additive Composition
Unit 2
Topics:
Number Sense
Inversion
Additive Composition

2. IT: The Caterpillar

3. 3 6 19 4 18 16 20 17 2 10 9 13 12 11 14
start 8 7 15 5 1 3 6 19 4 18 16 20 17 2 10 9 13 12 11 14
start 8 7 15 5 1

4. IT: Inversion 2

5. ? 7 8 +5 -6

6. ? 6 6 +3 -3

7. ? 8 7 +5 -4

8. ? 8 8 +4 -4

9. ? 5 6 +4 -5

10. Now, the blocks will be added and subtracted from different ends

11. ? 5 6 +3 -4

12. ? 7 7 +4 -4

13. ? 8 9 +5 -6

14. ? 6 7 +4 -5

15. ? 6 5 +5 -4

16. IT: Additive Composition 1

17. 3p ?

18. 4p ?

19. 2p 3p

20. 5p

21. 7p

22. 8p

23. Now it’s time to split into groups for other activities...
Well done!
Now it’s time to split into groups for other activities...

24. IT: Additive Composition 2

25. 8p

26. Jack has Alice has 5p 5p

27. 7p 6p

28. 7p 6p

29. 8p 6p 7p 9p

30. 9p

31. 10p

32. 8p 5p 9p 6p

33. Mixed 2p and 5p Exercise

34. How many 5ps or 2ps can you make?
Unit 1 Worksheet 1
Page 1
Name: _________
5p’s
2p’s 1. 2. 3. 4. 5.

35. How many 5ps or 2ps can you make?
Unit 1 Worksheet 1
Page 2
Name: _________
5p’s
2p’s 6. 7. 8. 9.
10.