Rounding
Addition
Subtraction
Word Problems
Anything Goes
100

17 rounded to the nearest ten.

20

100

130 + 210

340

100

150 - 30

120

100

Robert made 33 origami swans. How many swans did he make if we round to the nearest ten?

30

100

147 rounded to the nearest ten.

150

200

146 rounded to the nearest hundred.

100

200

363 + 129

492

200

342 - 123

219

200

Isabelle has a bag of Skittles. There are 146 Skittles in the bag. How many Skittles does she have if she rounds to the nearest hundred?

100

200
Bob has 12 apples and Janet has 19 oranges. How many fruits do they have in all?

31

300

153 rounded to the nearest ten.

150

300

433 + 288

721

300

486 - 297

189

300

Jasmine has 283 stamps in her collection. How many stamps does she have if she rounds to the nearest ten?

280

300

Carlos has a Lego set with 842 pieces, and Andrea has a Lego set with 458 pieces. How many more Lego pieces does Carlos have?

384

400

351 is between these two hundreds.

300 and 400

400

344 + 258

602

400

633 - 236

397

400

Terrance has 462 comics. How many comics does he have if he rounds to the nearest hundred?

500

400

The difference between 573 and 285.

288

500

168 is between these tens.

160 and 170

500

521 + 399

920

500

843 - 549

294

500

The difference between 582 and 431.

151

500

The sum of 286 and 115.

401

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