One-Step Equation Story Problems

Rosario is working on an 9-foot-by-8-foot floor covered with 64 white tiles. She replaces x white tiles with blue tiles. After she's finished, there are 40 white tiles left. Write an equation to find the number of blue floor tiles Rosario used.

Rosario is working on an 9-foot-by-8-foot floor covered with 64 white tiles. She replaces x white tiles with blue tiles. After she's finished, there are 40 white tiles left. Solve an equation to find the number of blue floor tiles Rosario used.

A store had a sale on baseball cards, so Percy bought several baseball cards to give as gifts. He gave a total of x baseball cards away to 5 friends. Each friend got 4 baseball cards. Write and solve an equation to figure out how many baseball cards Percy gave away.

Write the EQUATION only.

A store had a sale on baseball cards, so Percy bought several baseball cards to give as gifts. He gave a total of x baseball cards away to 5 friends. Each friend got 4 baseball cards. Solve an equation to figure out how many baseball cards Percy gave away.

Which equation represents the image?

• 6n = 14

• n - 6 = 14

• n + 6 = 14

• n + 14 = 6

The equation 10 = x - 3 is represented by the model shown.

Which represents the solution to this equation?​ (a)  

• x = 13

• x = 3

• x = 7

• x = -7

• A

  34 + x = 153

• B

  34 - x = 153

• C

  153 + x = 34

• D

  x - 34 = 153

x + 12 = 20

• x = 32

• x = -32

• x = 8

• x = -8

3f - 12 = -3

• 3

• -3

• 11

• 12

Solve...
2x - 3 = 1 

• 3

• 2

• 1

• -2