Expanded Form
Addition
Subtraction
Patterns
Adding Tens
100

3,000 + 50 + 2 =

3,052

100

347 + 212 =

559

100

345 - 210 =

135

100

79, 89, 99, 109, ____

119

100

99 + 30 =

129

200

7,000 + 200 + 40 =

7,240

200

629 + 259 =

888

200

678 - 259 =

419

200

83, 93, 103, 113, ____

123

200

58 + 60 =

118

300

30,000 + 400 + 9

30,409

300

4,283 + 3,107 =

7,390

300

761 - 463 =

298

300

67, 77, 87, 97,  ____

107

300

34 + 80 =

114

400

50,000 + 3,000 + 90 =

53,090

400

6,386 + 2,467 =

8,853

400

3,428 - 1,293 =

2,135

400

95, 85, 75, 65, ____

55

400

79 + 40 =

119

500

80,000 + 200 + 3 =

80,203

500

12,374 +12,827 =

25,201

500

80,370 - 52,126 =

28,244

500

102, 92, 82, 72, ____

62

500

56 + 90 =

146

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