Rounding
(nearest 10)
Rounding
(nearest 100)
Addition
Subtraction
Mystery
100

Round 23 to the nearest 10

20

100

Round 140 to the nearest 100

100

100

Use a strategy to add: 120 + 253

373

100

Subtract 450 - 120

330

100

812 Rounded to the nearest hundred.

800

200

Round 58 to the nearest 10

60

200

Round 639 to the nearest 100

600

200

Use a strategy to add: 256 + 321

577

200

Subtract 684 - 162

522

200

318 + 164 = 

482

300

Round 65 to the nearest 10

70

300

Round 278 to the nearest 100

300

300

Use a strategy to add: 282 + 153

435

300

Subtract 587 -269

318

300

26 rounded to the nearest 100.

0

400

Round 754 to the nearest 10

750

400

Round 897 to the nearest 100

900

400

Use a strategy to add: 634 + 192

826

400

Subtract 815 -362

453

400

812 - 264 = ?

548

500

Round 337 to the nearest 10

340

500

Round 1,867 to the nearest 100

1,900

500

Use a strategy to add: 467 + 156

623

500

Subtract 999 - 365

634

500

876 rounded to the nearest ten.

880
M
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