Expressions and Equations Review

Write Algebraic Expressions/Equations

100

Ms. Barnett runs 4 miles every day. Write an EQUATION that could be used to figure out how many days she ran for if she ran a total of 44 miles.

44 = 4d    OR    44 / 4 = d

200

Alisa went to an amusement park. It cost her $7 just to enter. Then, it cost her an additional $2 per ride. Write an expression that can represent this situation if r is the number of rides Alisa went on.

7 + 2r

300

Write an expression to match: "the sum of 5 and a variable, x, which has a coefficient of 3" 

5 + 3x  or   3x + 5

400

Ms. DiTroia bought 5 staplers and spent a total of $32.50. Write AND solve an equation that can be used to determine c, the cost for one stapler.

5c = 32.50,    c = 6.50

500

Write an algebraic expression for the following: "6 less than double a number"

2x - 6

Solving Equations

100

Solve the following equation:  x - 25 = 50

x = 75

200

Solve the following equation: 8x = 88

x = 11

300

Solve the following equation: 

 x/1.5 = 7

x = 10.5

400

Solve the following equation:  1.5 x = 9

x = 6

500

Solve the following equation: 

 2¹/₄ x = 24.75

x = 11

Evaluating Expressions

100

Evaluate 2x + 12 when x = 8

28

200

Evaluate 3x when x = 4

12

300

Evaluate 5x - 2x   when x = 3

9

400

Evaluate  8x + 3w  

when x = 1/2  and  w = 6

22

500

Evaluate 4y + 8x - k  

when y = 12,  x = 2,  and k = 1

63

Random

100

Bob earns $30 per hour tutoring a 3rd grader in math. If he gets a one-time tip of $20, which expression represents how much he will make after h hours of tutoring? 

 A. 50h     B. 30 + 20h     C. 20 + 10h     D. 30h + 20

D. 30h + 20

200

y/9 - 18 = 52

630

300

Write an expression that is equivalent to 5(y + 7).

5y + 35

400

12s + 27 = 171

12

500

21q - 39 = 234

13

2 -step Solving!

100

3a - 5 = 4

3

200

6k - 5 = 43

8

300

4j - 71 = 29

25

400

2r + 39 = 65

13

500

w/317 + 596 = 1,639

330,631