NSF.2 Review

Ms. Adams put this problem on the board and asked students to estimate the value without adding. Which student has the best estimate?

• Elizabeth says the value is less than 1 because both fractions are less than 1/2, so the total has to be less than 1.

• Michael says that the value is 1 because 1/3 and 1/4 both round to 1/2, and 1/2 + 1/2 equals 1.

• Cindy says that the value is greater than 1 because both 1/3 and 1/4 are greater than 1/2, so the total has to be greater than 1.

• Jamie says the value is less than 1/2 because both 1/3 and 1/4 are less than 1/2.

Use the information given to answer the question. • Hugh fills a bucket full of water. • He uses 1/2 of the water in the bucket to water his plant. • He uses 2/5 of the water in the bucket to wash his dog. What is the difference between the amount of water Hugh uses to wash his dog and the amount he uses to water his plant?

• 1/10 of the water in the bucket

• 1/5 of the water in the bucket

• 2/5 of the water in the bucket

• 3/7 of the water in the bucket

Megan finished 3/4 of her project before dinner. She worked on another 1/8 of her project before bedtime. How much of her project did Megan finish?

• 7/8

• 1

• 5/8

• 1/2

Nick had 1 cup of seeds. He planted 2/5 cup of seeds in his front garden. He planted 1/3 cup of seeds in the back garden. How many cups of seeds are left?

• 1/8 cup

• 4/15 cup

• 11/15 cup

• 13/18 cup

At the county fair bullfrog long-jumping competition, Amy's bullfrog long-jumped 7 1/8 meters. Michael's bullfrog long-jumped 6 1/2 meters. How far did Amy's and Michael's bullfrogs long-jump altogether?

• 13 1/8 meters

• 13 3/8 meters

• 13 5/8 meters

• 13 7/8 meters

Last week Kerry set a goal to run 5 3/4 miles. If Kerry exceeded her goal by 2 1/6 miles, how far did she run?

• 3 7/12 miles

• 3 11/12 miles

• 7 7/12 miles

• 7 11/12 miles

Allie sets a goal to jog 7 1/2 miles each week. On Monday, she jogs 1 1/5 miles. How many more miles must Allie jog to reach her goal?

• 6 1/3 miles

• 6 3/10 miles

• 7 1/3 miles

• 7 3/10 miles

Carla's uncle owns a pizzeria. Her uncle has 4 1/3 pounds of mozzarella cheese. He uses 3/4 pound of the mozzarella to make a large pizza. How much mozzarella cheese does Carla's uncle have left after he makes the large pizza?

• 3 5/7 pound

• 3 7/12 pound

• 4 5/7 pound

• 4 7/12 pound

Jacob drank 2/5 of a gallon of apple juice yesterday. His sister Melissa drank 1/10 of a gallon less than Jacob. How much apple juice did Jacob and Melissa drink altogether?

• 1/2 gallon

• 3/5 gallon

• 7/10 gallon

• 9/10 gallon