Winter Math Review

2 Digit Addition

100

45 + 26 = ______

71

200

23 + 65 = ______

88

300

46 + 28 = ______

74

400

78 + 9 = _____

87

500

22 + 59 = _____

81

2 Digit Subtraction

100

92 - 9 = _____

83

200

42 - 19 = _____

23

300

79 - 25 = _____

54

400

81 - 47 = _____

34

500

86 - 28 = _____

58

Missing Addends

100

_____ + 20 = 32

12

200

30 + ______ = 56

26

300

______ - 14 = 14

28

400

38 - _____ = 27

11

500

______ - 24 = 25

49

Expanded Form

100

What 476 in expanded form?

400 + 70 + 6 = 476

200

What is 508 in expanded form?

500 + 8 = 508

or

500 + 0 + 8 = 508

300

400 + 70 + 1 = _______

471

400

300 + 20 = ____

320

500

What is 569 in expanded form?

500 + 60 + 9 = 569

Counting By 2's, 5's, & 10's

100

344, 346, 348, ______

350

200

235, 240, 245, ______

250

300

233, 243, 253, ______

263

400

129, ______, 133, 135, 137

131

500

246, 251, 256, _____

261