Multiplication and Division Unknowns

Joselin has a ribbon that is 35 inches long. She cuts it into 7 equal parts. Which model shows a representation of the length of each part?

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There are 63 fabric squares that make up grandma’s patchwork quilt. The squares are arranged in 9 rows. Each row has the same number of fabric squares. Which statements are true?

• There are 7 quilt squares in each row.

• You can multiply 63 and 9 to find the number of squares in each row.

• You can divide 63 by 9 to find the number of squares in each row.

• You can multiply 9 rows by a certain number in each row to get a product of 63.

• 9 rows of 5 will equal 63 total squares.

What number makes this equation true? 7 x ∆ = 42

• 8

• 6

• 4

• 7

What is the value of the unknown in the equation below?

54 = ? x 9

Each pack of pencils contains 8 pencils. Sara bough 3 packs and divided them equally among 6 people. How many pencils did each person get? 

• 24

• 4

• 17

• 5

Mrs. Phillips bought 3 packs of pencils. Each box contained 9 pencils. How many pencils did she buy? 

• 18

• 30

• 27

• 36

Which of the following number lines correctly models a representation that shows 3 groups of 8 or 8 groups of 3? Select all that apply.

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6 x 2 x 8 = ∆ x 8

• 12

• 10

• 96

• 40

4 x 2 X 5 = 4 x ∆

• 12

• 10

• 96

• 40

Which expression is equivalent to (5+3) x 4

• 4 x (5+3)

• 5 + (3 x 4)

• 3 x (5 + 4)

• (5 x 3) + 4