Addition
Subtraction
Multiplication
Division
Rounding
100

47 + 83

130

100

72 - 38

34

100

35 is 7 times as many as...

5

100

The amount left over after you divide 57/5.

2

100

529 rounded to the nearest hundred is...

500

200

329 + 6,482

6,811

200

412 - 207

205

200

36 x 4

144

200

132/11

12

200

27,496 rounded to the nearest ten is...

27,500

300

56,289 + 78,823

135,112

300

838 - 639

199

300

204 x 8

1,632

300

59/3

19r2

300

Estimate each number to the nearest hundred. Then find the estimated answer.

56,883 + 47,114

104,000

400

84,999 + 35,509

120,508

400

52,604 - 38,525

14,079

400

17 x 24

408

400

315/4

78r3

400

Estimate each number to the largest place. Then find the estimated answer.

449,851 + 27,617

430,000

500

527,215 + 736,496

1,263,711

500

600,214 - 325,436

274,778

500

59 x 64

3,776

500

4,528/4

1,132

500

Estimate each number to the nearest thousand. Then find the estimated answer.

39,624 - 15,208

25,000