2.04 HW : Estimation

On a recent shopping trip, Arnold start with $150. He spent these amounts at various stores. $49.81, $32.43, $25.90, $14.58, $23.33. How much remained of $150 when he was finished?

$4

A meteorologist tracked the increase and decrease of rain in total inches from the previous year. This is the data for the following 4 months: January -1.34 , February +2.68 , March +1.79 , April -0.87.

+3

You are going to fence an area that is in the shape of a right triangle. The two legs measure 7.8 meters and 5.78 meters. Estimate the amount of fencing you will need for the longest side to the nearest meter

10

The measure of a square wall is 9 feet 7 inches on each side. Estimate the square feet a painter would have to cover to the nearest foot

100

Use compatible numbers to estimate 56.9 ÷ 5.1

11

Carly is laying carpet in a square foyer with sides of 5.67 feet each. Estimate the amount of carpet she will need for the foyer, using whole numbers

36 square feet

A manufacturer is using a cubic box with edges of 8.23 centimeters each for his product. Estimate the volume of the box to the nearest cubic centimeter

512

If you have driven for 4.4 hours and the distance you have covered is 250 miles, how fast (miles per hour) were you driving?

56.8

What degree Fahrenheit is it if the temperature is 15 degrees Celsius?

59

If you are driving about 65 miles per hour and the town you are traveling to is 500 miles away, how many hours will it take to reach the town?

7.7