Add and Subtract Mixed Numbers

Dr. Whether-or-Not collects two hailstones during a storm in California. One hailstone weighs 2 3/8 pounds, and the other hailstone weighs 1 3/10 pounds. How much heavier is the larger hailstone than the smaller hailstone

Jason is making a fruit salad. He mixes in 3 1/4 cups of orange melon and 2 2/3 cups of green melon. How many cups of melon does Jason put in the fruit salad?

• 5 1/4 cups

• 5 1/3 cups

• 5 7/12 cups

• 5 11/12 cups

Dakota makes a salad dressing by combining 6 1/3 fluid ounces of oil and 2 3/8 fluid ounces of vinegar in a jar. She then pours 2 1/4 fluid ounces of the dressing onto her salad. How much dressing remains in the jar?

• 6 1/8 fluid ounces

• 6 3/8 fluid ounces

• 6 11/24 fluid ounces

• 6 17/24 fluid ounces

Yolanda walked 3 6/10 miles. Then she walked 4 1/2 more miles. How many miles did Yolanda walk?

Lucas says his twin baby brothers have a total weight of 15 1/8 pounds. Jackson weighs 6 1/4 pounds, and Jeremy weighs 8 7/8 pounds. Explain how you can use estimation to tell if the total weight is reasonable.

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Albert served a cake at his sister’s birthday party. More of the cake was then eaten after the party. The models are shaded to show the amount of cake that was eaten at the party and after the party.

• 5/10

• 5/15

• 2/5

• 4/5

Howard rode his bicycle 2 1/3 kilometers from his home to the park. Then he rode 1 1/4 kilometers from the park to the grocery store. How many kilometers did Howard ride his bicycle?

• 3 2/5

• 3 7/12

• 7/12

• 1 1/12

3 2/7 + 8 1/3

James has a baseball card collection. He must give away most of his collection. He gives 1/4 of his collection to Jacob and 2/3 of his collection to Miranda. How much of his collection of baseball cards does James keep?

4 1/3 - 3 1/6