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Division
Addition
Subtraction
Multiplication
100

Use compatible numbers to estimate the quotient 5590/72

80

100

173.5+1.3

174.8

100

1.3-0.5

0.8

100

2345x6

14070

200

Use compatible numbers to estimate the quotient 3582/43

90

200

0.235+123.6

123.835

200

1765-1236

529

200

452x23

10396

300

154/11

14

300

17654+32=

17686

300

123.7-111.8

11.9

300

600x80

48000

400

342/38

9

400

27345+18888

46233

400

400-123

277

400

765x33

25245

500

576/25

15

500

1277.5+0.67

1278.17

500

0.8-0.6

0.2

500

6543x12

78516