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Partial Sums
Partial Differences
Adding & Subtracting
Tens Only
Number Line
Adding
Number Line Subtracting
100

45 + 23 

What is 68?

100

89 - 52 

What is 37?
100

30 + 40

What is 70?

100

33 + 62 

What is 95?
100

74 - 33 

What is 41?

200

76 + 21 

What is 97?

200

74 - 31 

What is 43?

200

50 + 40 

What is 90?

200

42 + 49 

What is 91?
200

57 - 28 

What is 29?

300

39 + 48 

What is 87?

300

46 - 22 

What is 24?

300

50 + 30 

What is 80?

300

58 + 34 

What is 92?

300

63 - 41 

What is 22?

400

89 + 57 

What is 146?

400

98 - 52 

What is 46?

400

20 + 60 

What is 80?

400

73 + 48 

What is 121?

400

86 - 38 

What is 48?

500

75 + 47 

What is 122?

500

67 - 29 

What is 38?

500

30 + 20 

What is 50?

500

237 + 53 

What is 290?

500

94 - 69 

What is 25?