Addition
Subtraction
Regrouping
Mystery
100

345+214

560

100

543-321=

222

100

508+789=

1,297

100

Why was the math book sad

It had too many problems.

200

567+148=

715

200

652-418=

234

200

900-876=

24

200

Why did the student eat their math homework?

The teacher said it was a piece of cake.

300

876+245=

1,121

300

567-234

333

300

999 + 457

1,456

300

Why can’t Elsa have a balloon?

Because she will let it go.

400

902+784=

1,686

400

678-215=

463

400

704-689=

15

400

Why was six afraid of seven?

Because 7 ate 9.

500

689+956=

1,645

500

795-308

487

500

795+308=

1,103

500

Why did the teacher wear sunglasses?

Because the class was so bright.