2.04 Quiz : Estimation

Alex found the average change of his stocks over the following months: -10.29 in June , -8.16 in July , +34.50 in August , and +3.12 in September. Estimate the average change in his stocks by rounding to the nearest whole number.

+5

The home team's score was 102 points. If you doubled the visiting team's score and subtracted 60, you would also have 102 points. What was the visiting team's score?

81

Your family has planned a trip this summer. The distance from your home to Havertown is 38 miles. Then, your family must travel 948 miles to Murrayville. Use front-end estimation to determine how many miles you will travel on your family trip.

970

Sara's trip to Thomasville was a distance of 738 miles. If she drove for 11.2 hours, how many miles per hour did she average on her trip?

66 mph

Use compatible numbers to estimate the following. Mark bought a digital camera for $148.65. If this amount was split between three people who are using the camera, estimate the amount each would pay using the compatible numbers.

$50

Estimate the length of one side of a square floor if the area is 320 square feet.

18

Herman is making a small right isosceles triangular table. If two of the sides will measure about 25 inches each, how many inches should the longest side measure?

35.4

Round to the nearest whole number and cluster to give an estimate for 15.23 + 12.8 + 4.93 + 7.21.

40

Round 5,268.9284 to the nearest thousandth

5,000