Round to nearest 10
Round to nearest 100
3-Digit Addition
3-Digit Subtraction
Mystery
100

Round these numbers to the nearest TEN:

25 and 87

25 rounds to 30

87 rounds to 90

100

Round these numbers to the nearest HUNDRED:

111 and 673

111 rounds to 100

673 rounds to 700

100

199 + 101 = c

300

100

100 - 32 = b

68

100

Max has 27 rocks in his collection. Levi has 34 rocks in his collection. Penny has 23 rocks in her collection. How many rocks do they have ALTOGETHER?

84 rocks

200

Round these numbers to the nearest TEN:

33, 41, 98

33 rounds to 30

41 rounds to 40

98 rounds to 100

200

Round these numbers to the nearest HUNDRED:

502 and 471

502 rounds to 500

471 rounds to 500

200

DAILY DOUBLE!!!

344 + 246 = n

590
200

115 - 59 = m

56

200

Ashley read 45 pages of her book last night. If her whole book is 156 pages, how many more pages does she still need to read?

111 pages

300

Round these numbers to the nearest TEN:

123 and 145

123 rounds to 120

145 rounds to 150

300

Round these numbers to the nearest HUNDRED:

621, 629, 815

621 rounds to 600

629 rounds to 600

815 rounds to 800

300

342 + 244 = n 

586

300

239 - 178 = c

61

300

Round the numbers to the nearest TEN & HUNDRED:

244, 561, 980, 212

Ten: 240, 560, 980, 210

Hundred: 200, 600, 1,000, 200

400

Round these numbers to the nearest TEN:

182, 223, 987

182 rounds to 180

223 rounds to 220

987 rounds to 990

400

Round these numbers to the nearest HUNDRED:

1,234 and 5,678

1,234 rounds to 1,200

5,678 rounds to 5,700

400

Estimate (round), then solve.

229 + 175 = m

Estimate: 230 + 180 = 410

Actual: 404

400

556 - 327 = v

229

400

756 - 328 = h

428

500

Round these numbers to the nearest TEN:

1,732 and 2,344

1,732 rounds to 1,730

2,344 rounds to 2,340

500

Round these numbers to the nearest HUNDRED:

1,889 and 3,452

1,889 rounds to 1,900

3,452 rounds to 3,500

500

Estimate (round) then solve:

466 + 379 = b

Estimate: 470 + 380 = 850

Actual: 845

500

542 - 484 = h

58

500

756 + 328 = v

1,084

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