Estimating Costs and Quantities with Rational Numbers

A recipe calls for 2.5 cups of flour. If you want to make half the recipe, how many cups of flour do you need?

• 2 cups

• 1.25 cups

• 1 cup

• 3 cups

A store sells a pack of 3 notebooks for $4.50. How much would 5 packs cost?

• $18.00

• $15.00

• $22.50

• $30.00

You jogged 3.2 miles on Monday and 2.5 miles on Tuesday. How many miles did you jog in total?

• 6.0 miles

• 5.7 miles

• 5.0 miles

• 4.5 miles

A car travels 15.6 miles on 0.4 gallons of gas. How many miles can it travel on 1 gallon of gas?

• 30 miles

• 39 miles

• 25 miles

• 45 miles

You bought 2.75 pounds of apples and 1.5 pounds of bananas. How many pounds of fruit did you buy in total?

• 4.0 pounds

• 3.5 pounds

• 5.0 pounds

• 4.25 pounds

A book costs $12.99, and you have a coupon for $3.00 off. How much will you pay for the book?

• $10.99

• $8.99

• $12.00

• $9.99

You read 1.5 chapters of a book on Monday and 2.25 chapters on Tuesday. How many chapters did you read in total?

• 4 chapters

• 2 chapters

• 5 chapters

• 3.75 chapters

A pizza is cut into 8 equal slices. If you eat 3 slices, what fraction of the pizza is left?

• 3/8

• 1/2

• 7/8

• 5/8

You have $50. You spend $12.75 on lunch and $15.50 on a book. How much money do you have left?

• $15.75

• $21.75

• $37.25

• $30.00

A tank holds 15.5 gallons of water. If you fill it with 9.75 gallons, how much more water do you need to fill the tank?

• 7.75 gallons

• 5.75 gallons

• 6.5 gallons

• 4.25 gallons