Math Review

Which equations will the number 2 make true? Select all that apply.

• 1 ÷ 2 = □

• □ + 9 = (2/9)

• 2 ÷ 4 = □

• 5 ÷ □ = (2/5)

• 1 + □ = (1/2)

Tina has 10 packages of yarn to knit a scarf. She uses 1/3 package of yarn for each inch of length she adds to the scarf. If Tina uses all the yarn, how long will her scarf be?

• 30 inches

• 40 inches

• 33 inches

• 15 inches

How did you find your answer in Part A?

• I multiplied 10 by 1.

• I divided 1/3 by 10.

• I divided 10 by 1/3.

• I multiplied 1/3 by 10.

• 63 pennants

• 49 pennants

• 21 pennants

• 7 pennants

One fourth of a cake was shared equally among 3 people. Part A: What fraction of the whole cake did each person get?

How did you find your answer in Part A?

• I multiplied 4 times 3.

Match each expression to its quotient.

• 3 ÷ 5

• 1/15

• 5 ÷ 3

• 3/5

• 1/3 ÷ 5

• 1/2

• 5 ÷ 1/3

• 15

• 8 ÷ 1

• 2 ÷ 16

• 1 + 8

How can you check your answers in Part A?

• Jillian is correct.