Expressions and Equations

m+13=21

• m=34

• m=8

• m=273

• m=6

What equation matches this situation?
Robyn had some video games then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10

• v + 4 = 10

• 10 - 4 = v

• Answer not Given

Cheryl gets paid $8 per hour for her job at the record store.  She made a total of $96 last week.  Which equation models this situation?

• 96h = 8

• h/96 = 8

• 8h = 96

• h/8 = 96

Write the expression. 
Twelve times the number of feet.

• f + 12

• f - 12

• 12f

• 12 ÷ f

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

Emily's team scored 12 points in the first half of the game. At the end of the game her team had a total of 26 points. Which equation can be used to find p, the number of points her team scored in the second half of the game?

• 12 + 26 = p

• 12 - p = 26

• 12 + p = 26

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