Unit 3 Review for Quiz

Mrs. Sabio vacuums 1/4 of her 6 rooms. What fraction did she vacuum?

Answer explanation

6 x 1/4 = 1/4 + 1/4 + 1/4 + 1/4 + 1/4 + 1/4 = 6/4 = 1 and 2/4 or 1 1/2

Samantha and Bella painted a total of 3/4 of the classroom. Samantha pained 3/4 of that part and Bella painted the rest. What fraction did Bella paint?

Answer explanation

3/4 x 3/4 = 9/16 because 3 x 3 = 9 and 4 x 4 = 16

Collin has 1/2 a pizza to eat. He ate 1/3 of it at snack. What fraction of the pizza did he eat?

Answer explanation

1/2 x 1/3 = 1/6

Ifraz is buying a carpet and needs it to be 1 1/2 feet wide by 4 feet long. What is the area of the carpet he is buying?

Answer explanation

1 1/2 x 4 = 3/2 x 4 = 12/2 = 6

Ryder is making his Halloween costume. He needs a piece of fabric that is 2 2/3 yards long and 1 1/2 yards wide. What is the area of the fabric?

Answer explanation

2 2/3 x 1 1 /2 = 8/3 x 3/2 = 24/6= 4

2/3 x 1 3/5 =

• greater than 2/3

• less than 2/3

• equal to 2/3

7/8 x 1/9 =

• greater than 1/9

• less than 1/9

• equal to 1/9

7/7 x 7/10 =

• greater than 7/10

• less than 7/10

• equal to 7/10

Mrs. Sabio's movies are 9/10 on DVD. Of those, 2/5 are 3D. What fraction of Mrs. Sabio's movies are 3D DVDs?

Answer explanation

9/10 x 2/5 = 18/50 = 9/25