Adding
Subtracting
Regrouping
Rounding to Nearest 10
Rounding to Nearest 100
100

44 + 22

66

100

26-14

12

100

33-17

15

100

56

60

100

102

100
200

220 + 123

343

200

324-122

202

200

100-64

46

200

21

20

200

725

700

300

436 + 222

658

300

353-123

220

300

451-126

325

300

132

130

300

356

400

400

127 + 125

252

400

422-105

317

400

391+121

512

400

327

330

400

782

800

500

358 + 123

481

500

430-128

302

500

499+105

604

500

135

140

500

150

200

M
e
n
u