Expressions and Equations Pre-Assessment

Joel is collecting stickers. After getting 15 more stickers, he has 60 stickers in total. Select all the equations Joel can solve to find x, the number of stickers she started with.

• x + 15 = 60

• x - 15 = 60

• 15x = 60

• x = 60 * 15

• x = 60 - 15

What operation might we use to find the value of r?

• addition

• subtraction

• multiplication

• division

What operation might we use to find the value of u?

• addition

• subtraction

• multiplication

• division

Lin is selling boxes of cookies. Each box costs $3.75. Lin’s goal is to earn more than $30 selling cookies. If Lin sells 20 boxes of cookies, will she make her goal?

• No, because she only makes $25 in sales.

• No, because she only makes $20 in sales.

• Yes, because she only makes $30 in sales.

• Yes, because she only makes $75 in sales.

Select all the equations that are true when x is -4.

• -8 = 2x

• -12 = x * -3

• -12 = x + x + x

• x + 4 = -8

• x^2 = -16

Select all the equations that match with Diagram A.

• 7 = 4 + 3

• 4 - 3 = 7

• 7 - 4 = 3

• 4 * 3 = 7

Select all the equations that match with Diagram B.

• 3 + 3 + 3 + 3 = 12

• 12 = 4 * 3

• 12 / 4 = 3

• 3 * 3 * 3 * 3 =12

Match the expression with an equivalent expression.

• 4n - 9

• 4n

• 9n -4n

• 4(n - 9)

Match the expression with an equivalent expression.

• 4n - 9

• 4n

• 9n -4n

• 4(n - 9)

• A
• B
• C
• D