Find an Unknown Number

5 = 40 ÷ ?

• 20

• 35

• 8

• 2

9 ÷ ? = 3

• 3

• 27

• 12

• 6

3 = ? ÷ 7

• 21

• 10

• 4

• 20

20 ÷ ? = 2

• 22

• 18

• 40

• 10

What is the value of the unknown? 
__ x 5 = 40

• 45

• 8

• 35

• 7

Ezequiel had $29 to spend at the mall. He spent $4 on a pair of socks and $16 on a new shirt. The rest of the money he spent on some jeans. Choose the correct answer from each drop-down menu to complete the statement. Ezequiel spent a total of​ (a)   on jeans. An equation that can be used to find j, the amount of money spent on jeans is (b)  

• $29 – ($16 – $4) = j

• $29 = ($4 + 16 + j)

• ($16 + $4) =$29

• ($16 – $4) + j = $29

• $9

• 20

• 10

• 12

Ezequiel had $29 to spend at the mall. He spent $4 on a pair of socks and $16 on a new shirt. The rest of the money he spent on some jeans. Choose the correct answer from each drop-down menu to complete the statement. Ezequiel spent a total of​ (a)   on jeans. An equation that can be used to find j, the amount of money spent on jeans is​ (b)  

• $29 – ($16 – $4) = j

• $29 = ($4 + 16 + j)

• ($16 + $4) =$29

• ($16 – $4) + j = $29

• $9

• 20

• 10

• 12

missing factor or amount in multiplication or division

• Unknown

• Row

• Array

• Column

An unknown number in an equation can be written using which letter.

• C

• B

• X

• Any letter

A bar diagram can help find an unknown in an equation.

• True

• False

• Impossible