Unit 11 review

Dina has 100 red counters. She has 326 blue counters and 10 green counters. How many red and blue counters does Dina have?

• 327

• 336

• 426

• 436

Ryan works at a farm stand. He sells 57 eggs. Now he has 346 eggs. How many eggs did Ryan have before he sold some?

• 291

• 292

• 402

• 403

Use the open number line to solve the problem. 438 + 240 = ?

• 568

• 578

• 668

Which is the same amount as 639 + 143? Choose all that apply.

• 600 + 180 + 2

• 782

• 640 + 100 + 40 + 2

• 600 + 80 + 62

Choose all the equations in which the sum is 544.

• 534 + 10 = ?

• 444 + 100 = ?

• 499 + 45 = ?

• 154 + 400 = ?

Britney has 228 marbles. Alberto has 53 more marbles than Britney. How many marbles do they have in all?

Which shows using place value and partial sums to find 529 + 223?

• 800 + 40 + 12

• 700 + 50 + 2

• 700 + 40 + 12

• 600 + 50 + 2

Ken and Mai play a video game. Ken scores 273 points. Mai scores 364 points. How many points do they score in all?

In July, 345 children go to a sports camp. In August, 236 children go to the camp. How many children go to the camp in all?

• 371

• 451

• 581

Which equals 100 less than 845?

• 945

• 845

• 745

• 645