Addition
Subtraction
How Many to 100?
100

135+68

203

100

82-15

67

100

50+ ? =100 

50

200
687+43

730

200

90-43

47

200

41+ ? =100

59

300

546+47

593

300

134-80

54

300

68+ ? =100 

32

400

385+197

582

400

523-298

225

400

39+ ? =100

61

500

578+393

971

500

304-185

119

500

28+ ? =100

72

M
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