Arrow Method
Compensation
Place Value Disk
Any Method
For Fun
100

873 - 410

463

100

530 - 270

260

100

625 + 186

811

100

412 + 450

862

100

What holiday did we celebrate yesterday?

Earth Day

200

452 + 200

652

200

400 - 280

120

200

243 + 537

780

200

927 - 100

827

200

How many birthdays do we celebrate in April? and who birthdays are they?

Two 


Lyla's and Alare

300

300 + ______ = 783

483

300

432 - 298

134

300

255 + 445

700

300

385 + 294

679

300

Who is the best almost 3rd Graders in all the world?

Us

400

_____ - 300 = 653

953

400

862 - 490

372

400

408 + 303

711

400

843 - 197

646

400

Name one thing we celebrate the whole month of April

Autism Awareness Month

Poetry Month

Arab American Heritage Month

500

300 more than ______ is 568.

268

500

Charlie used compensation to solve 431 + 199.He got 232. His answer is incorrect. Why?

You cannot use compensation to solve addition

500

478 + 323

801

500

992 -____ = 321

671

500

How many days until Ms. Baker's Birthday?

15 days