Addition
Subtraction
100

398 + 204 =

What is 602

100

84 − 29 = ___

What is 55

200

Which is easier to solve mentally?

A. 499 + 302

B. 501 + 300

How are they related?

What is B, and both equal 801

300

___ + 287 = 613

What is 326

400

The second grade collected 268 cans in April and 387 cans in May. How many cans did they collect altogether?

What is 655 cans.

500

Emma has 367 stickers. Liam has 145 more stickers than Emma. How many stickers does Liam have?


What is 512

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