Mental Math
No Regrouping
Regroup Ones
Regroup Tens
Missing Number
100

35 - 5

What is 30?

100

586 - 342

What is 244?
100

465-347

What is 118?

100

453-362

What is 91?

100

600-482

What is 118?

200

86 - 30

What is 56?

200

967 - 462

What is 505?
200

923-406

What is 517?

200

926-543

What is 383?

200

8?3-752=121

What is 7?

300

97 - 8

What is 89?

300

468 - 357

What is 111?

300

431-128

What is 303?

300

316-154

What is 162?

300

543-1?2=411

What is 3?

400

488 - 200

What is 288?

400

924 - 811

What is 113?

400

544-329

What is 215?

400

688-197

What is 491?

400

400-267

What is 133?

500

763 - 500

What is 263?

500

596 - 135

461

500

782-368

What is 414?

500

545-284

What is 261?

500

43?-307=228

What is 5?

M
e
n
u