Adding and Subtracting Fractions

• 5/7 = 3/7 + 2/7

• 5/7 = 1/7 + 2/7 + 2/7

• 5/7 = 3/4 + 2/3

• 5/7 = 2/7 + 2/7 + 2/7

Tags

CCSS.4.NF.B.3B

• 4/5 of the students

• 3/5 of the students

• 2/5 of the students

• 1/5 of the students

Tags

CCSS.3.NF.A.2B

CCSS.3.NF.A.1

Jon cut a piece of ribbon that was 7/12 foot long. Sara cut a piece of ribbon that was 5/12 foot long. How much longer is Jon’s piece of ribbon than Sara’s piece of ribbon?

• 1/6 foot

• 1/2 foot

• 3/4 foot

• 2 feet

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

• 4/10 - 3/0 = 1/10

• 10/10 -7 /10 = 3/10

• 4/4 + 3/3 = 7/7

• 4/10 + 3/10 = 7/10

Lina worked on math homework for 6/10 of an hour before school and 3/10 of an hour after school. Which of the following can be used to find how long Lina spent doing math homework?

• Add 10 + 10 and write the sum over 6 + 3 to get 20/9 of an hour

• Add 6 + 3, and write the sum over 10 + 10 to get 9/20 of an hour.

• Add 6 + 3, and write the sum over 10 to get 9/10 of an hour.

• Subtract 6 - 3, and write the difference over 10 get 3/10 of an hour.

Trail A is 9/10 mile long. Trail B is 7/8 mile long. Ted hiked both trails. Which is the best estimate of how far he hiked?

• about 1/4 mile

• about 1/2 mile

• about 1 mile

• about 2 miles

Colton measured a line that was 8/16 inch long. Sally measured a line that was 2/16 inch long. How much

longer was Colton’s line than Sally’s line?

• 1 inch longer

• 1/2 inch longer

• 3/8 inch longer

• 1/4 inch longer

Kole spent 7/12 hour working on history homework and

5/12 hour working on Spanish homework. How much time did Kole spend on homework in all?

• 1/4 hour

• 1/2 hour

• 3/4 hour

• 1 hour

Ralph rode his bike 4/8 mile. Ashton rode his bike

3/8 mile. How much farther did Ralph ride than Ashton?

• 1/8 mile father

• 1/4 mile farther

• 7/8 mile farther

• 1 mile father

James is earning money to pay for a new bike. He earned 3/8 of the money he needed last week and 4/8 of the money this week. What fraction of the money has he earned?

• 3/8 of the money

• 3/5 of the money

• 4/7 of the money

• 7/8 of the money