Adding 3 digit regrouping
Subtracting borrowing across two zeros
division
Multiplication
subtracting regrouping
100

10+10

20

100

358-125

233

100

2÷1

2

100

2x2

4

100

216-61

155

200

960+242=

1,202

200

997-813

184

200

10÷ 2

5

200

12x5

60

200

535-474

61

300

654+773

1,427

300

500-55

445

300

50÷ 10

5

300

11x10

110

300

122-96

26

400

250+531

781

400

400-127

273

400

100÷ 2

50
400

12x8

96

400

620-160

460

500

843+612

1,455

500

300-113

187

500

1,000÷ 2

500

500

100x100

10,000

500

637-289

348

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