Expressions and Equations

15 + 7 × 2 – 11 + 35=

• 38

• 251

• 53

• 50

Using the steps shown, Heather tried to simplify this expression. What was her first mistake?

• Step 1

• Step 2

• Step 3

• Step 4

The Wild Things Pet Store has 4 birdcages with 6 canaries in each cage. The pet store also has a birdcage with 8 parakeets. Which expression shows the number of birds in Wild Things Pet Store?

• (4 + 6) x 8

• (4 x 6) + 8

• 4 + (6 x 8)

• 4 x (6 + 8)

Peter had a starting balance of $482.32 in his checking account. Which equation shows how to find his balance, b, after he withdrawals $45?

• b = $482.32 + $45

• b = $482.32 - $45

• b = $482.32 x $45

Susan buys 3 packages of 8 apples. She uses 15 apples to make applesauce. Which equation shows how to find the number of apples, a, Susan has left?

• 3(8) - 15 = a

• 15 - 3 + 8 = a

• 3 x 8 + 15 = a

Emily had $50. Then she worked 8 hours for $10 each hour. Which expression matches the words?

• 50 + (8 x 10)

• (50 + 8) x 10

• 50 + 8 + 10

What is the solution of 9 + k = 18

• 18

• 9

• 27

• 7

Evaluate the expression (4³ - 4) + 12 ÷ 3

• 64

• 12

• 24

• 6.6

What is the solution of 3w = 30

• -10

• 90

• 10

• 12

What is the solution of d/5 = 10

• 2

• 15

• 5

• 50