Estimate and Solve 1
1a. 24 x 2.31
Estimate:
24 x 2 = 48
Actual Answer: 55.44
1b. 5.42 x 305
Estimate: 5 x 300 = 1500
Actual Answer: 1653.1
2d. 0.54 x 62
Estimate: 0.5 x 60 = 30
Actual Answer: 33.48
Estimate: 1 x 20 = 20
Actual Answer: 25.83
2e. 6.09 x 28
Estimate: 6 x 30 = 180
Actual Answer: 170.52
2b. 3.2 x 41
Estimate: 3 x 40 = 120
Actual Answer: 131.2
2f. 6.83 x 683
Estimate: 7 x 700 = 4900
Actual Answer: 4664.89
2c. 0.32 x 41
Estimate: 0.3 x 40 = 12
Actual Answer: 13.12
2g. 6.09 x 208
Estimate: 6 x 200 = 1200
Actual Answer: 1266.72
This question is worth 1000 points.
2h. 171.76 x 555
Estimate: 200 x 600 = 120000
Actual Answer: 95,326.8