Subtracting Ounces and Estimating Pounds: Grade 5 Quiz

A bag of flour weighs 32 ounces. If you use 12 ounces for a recipe, how many ounces are left? Convert that to pounds.

• 18 ounces left, which is 1.125 pounds.

• 25 ounces left, which is 1.5625 pounds.

• 20 ounces left, which is 1.25 pounds.

• 15 ounces left, which is 0.9375 pounds.

A box of cereal weighs 24 ounces. If you eat 8 ounces, how many ounces are remaining? Estimate the remaining weight in pounds.

• 8 ounces remaining, approximately 0.5 pounds

• 16 ounces remaining, approximately 1 pound

• 20 ounces remaining, approximately 1.25 pounds

• 12 ounces remaining, approximately 0.75 pounds

You have 48 ounces of dog food. If you feed your dog 16 ounces, how many ounces do you have left? How many pounds is that?

• 24 ounces, which is 1.5 pounds

• 48 ounces, which is 3 pounds

• 16 ounces, which is 1 pound

• 32 ounces, which is 2 pounds

A watermelon weighs 64 ounces. If you cut it into pieces weighing 20 ounces each, how many ounces are left after cutting 2 pieces? Convert the leftover ounces to pounds.

• 2 pounds

• 0.5 pounds

• 3 ounces

• 1.5 pounds

You bought 80 ounces of grapes. If you eat 30 ounces, how many ounces do you have left? Estimate that weight in pounds.

• 50 ounces, which is approximately 3.125 pounds

• 40 ounces, which is approximately 2.5 pounds

• 70 ounces, which is approximately 4.375 pounds

• 60 ounces, which is approximately 3.75 pounds

A package of sugar weighs 96 ounces. If you use 24 ounces for baking, how many ounces are left? Convert that to pounds.

• 3 pounds

• 5 pounds

• 4.5 pounds

• 2.5 pounds

You have 56 ounces of paint. If you use 20 ounces for a project, how many ounces are remaining? How many pounds is that?

• 36 ounces remaining, which is 2.25 pounds.

• 30 ounces remaining, which is 1.875 pounds.

• 40 ounces remaining, which is 2.5 pounds.

• 20 ounces remaining, which is 1.25 pounds.

A bag of rice weighs 128 ounces. If you cook 48 ounces, how many ounces are left? Estimate the remaining weight in pounds.

• 72 ounces left, which is 6 pounds.

• 48 ounces left, which is 3 pounds.

• 80 ounces left, which is 5 pounds.

• 64 ounces left, which is 4 pounds.

You have 72 ounces of nuts. If you give away 18 ounces, how many ounces do you have left? Convert that to pounds.

• 3.375 pounds

• 2.5 pounds

• 4.5 pounds

• 5 pounds

A bottle of juice weighs 40 ounces. If you drink 10 ounces, how many ounces are left? Estimate that weight in pounds.

• 20 ounces, approximately 1.25 pounds

• 35 ounces, approximately 2.19 pounds

• 25 ounces, approximately 1.56 pounds

• 30 ounces, approximately 1.88 pounds