Show:
Addition
Any Strategy
Decompose
Adjusting
100

Make 10 to solve. 

7 + 6 = _____

7 + 3 = 10 

10 + 3 = 13 

100

Use any strategy to solve. 

24 + 32 =___ 

56

100

Decompose to Solve.

16 + 36 = ____


16 + 36 = ___ 

10 + 30= 40 

6 + 6= 12 

40 + 12 = 52

100

Adjust the Addends to Add.

19 + 32 =  

19 + 32 = 

+1   -1 

20 + 31 = 51 

200

Solve. 

12+7=___

19 

200

Use any Strategy to Solve. 

56 + 27 =___ 

83

200

Decompose to Solve.

27 + 67 = _____

27 + 67 = _____ 

20 + 60 = 80 

7 + 7 = 14 

80 + 14 = 94 

200
Adjust the Addends to Add 

56 + 25 

56 + 25 

+4    -4 

60 + 21 = 81 

300

Solve. 

26+5=____

31

300

Use any Strategy to Solve. 

39 + 25 + 19 = ____ 

83

300

Decompose to Solve.

44 + 27 = ______ 

44 + 27 = _____

40 + 20 = 60 

4 + 7 = 11 

60 + 11 = 71 

300

Adjust Addends to Add. 

57 + 65 

57 + 65 

+3     -3 

60 + 62 = 122 

400

Solve. 

37+4=____

41

400

Use any Strategy to Solve. 

58 + 21 =____

79

400

Decompose to Solve. 

56 + 42 = ____

56 + 42 = 

50 + 40 = 90  

6 + 2 = 8 

90 + 8 = 98 

400

Adjust the Addends to Add 

98 + 34 

98 + 34 

+2     -2 

100 + 32 = 132 

500

Solve. 

47+14=____ 

61

500

Use any Strategy to Solve. 

134 + 351 = ____

485

500

Decompose to Solve. 

245 + 462 = 

245 + 462 = 

200 + 400 = 600

40 + 60 = 100

5 + 2 = 7 

600 + 100 + 7 = 707 

500

Adjust the Addends to Add 

129 + 321 = 

129 + 321 

  +1      -1 

130 + 320 = 450