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Adding. 1 5 6 +2 3 2 3 0 01 0 0 + 200 5 0 + 3 08 0 6 + 28 3 8 8 Adding by Partitioning Vertically.

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Presentation on theme: "Adding. 1 5 6 +2 3 2 3 0 01 0 0 + 200 5 0 + 3 08 0 6 + 28 3 8 8 Adding by Partitioning Vertically."— Presentation transcript:

1 Adding

2 Adding by Partitioning Vertically

3 Partitioning Vertically Formal Written Method

4 Partitioning Vertically Formal Written Method

5 Partitioning Vertically Formal Written Method

6 Subtracting

7 Subtraction by adding on = (to 200) 300 (to 500) (to 502)2 304

8 Subtraction by adding on = (to 280) 20(to 300) (to 600) (to 613)

9 Subtraction by adding on = (to 500) 300(to 800) (to 846)46 388

10 Subtraction by adding on = (to 900) 100(to 1000) (to 2000) (to 2645)

11 Subtraction by adding on = (to 800) 200(to 1000) (to 3000) (to 3567)

12 Subtraction by adding on = (to 1400) 600(to 2000) (to 3000) (to 3879)

13 Subtraction by adding on = (to 2500) 500(to 3000) (to 6000) (to 6457)

14 Subtraction by adding on = Th H T U

15 Subtraction by adding on vertically (3000) 3000 (6000) (6008)8 3011

16 Subtraction by adding on vertically (2000) 3000 (5000) (6008)3 3014

17 (1570) 3 0 (1600) (2000) (5239)

18

19 Adding Decimals

20 Partitioning Vertically Formal Written Method

21 Partitioning Vertically Formal Written Method 0 1

22 Partitioning Vertically Formal Written Method 5 1

23 Partitioning Vertically Formal Written Method

24 Adding by Partitioning Vertically

25 Partitioning Vertically Formal Written Method

26 Partitioning Vertically Formal Written Method

27 Subtracting Decimals

28 Decimals

29

30 Subtraction by adding on = (to 8.0) 2.0(to 10.0) (to 20.0) (to 24.3) 61

31 Subtraction by adding on = (to 9.0) 1.0(to 10.0) (to 30.0) (to 36.8)

32 Subtraction by adding on = (to 20.0) 10.0(to 30.0) (to 40.0) (to 42.8)

33 Subtraction by adding on = (to 24.0) 6.0(to 30.0) (to 50.0) (to 56.9)

34 Decimals

35 Subtraction by adding on. £ £ = £4.36 £ £ (to £4.00) 3.00(to £7.00) (to £7.85) £4.3 1

36 Subtraction by adding on. £ £ = £4.35 £ £ (to £6.00) 3.00(to £9.00) (to £9.63) £4.3 1

37 Subtraction by adding on. £ £ = £4.68 £ £ (to £8.00) 4.00(to £12.00) (to £12.51) £4.6

38 Subtraction by adding on. £ £ = £6.32 £ £ (to £18.0) 2.00(to £20.0) (to £23.0) (to £23.94) 2 1 £6.3 1

39 Subtraction by adding on. £ £ = £7.53 £ £ (to £28.00) 2.00(to £30.00) (to £35.00) (to £35.12) 3 £7.5


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