Add / Subtract
Mult & Div
Estimating
Rounding
Mixed
100

125 + 375

500

100

5 x 5

25

100

500 + 250

800 (approximately)

100

Round 23 to the nearest ten

20

100

7 - 2 + 5

10

200

934 + 299

635

200

36 divided by 4

9

200

673 - 289

400 (approximately)

200

Round 142 to the nearest ten

140

200

20 - 4 + 10

26

300

1,500 + 2,350

3, 850

300

7 x 9

63

300

1,250 + 675

1,900 (approximately)

300

Round 58 to the nearest ten

60

300

9 + 3 x 2

15

400

1,205 - 678

527

400

48 divided by 8

6

400

145 - 67

80 (approximately)

400

Round 3,482 to the nearest hundred

3,500

400

8 x 4 - 5

27

500

456 + 789

1,245

500

12 x 6

72

500

487 + 329

800 (approximately)

500

Round 674 to the nearest ten

670

500

15 - 7 + 3

11

M
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