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Writing Expressions
Evaluating Expressions
Solving Equations
Word Problems
100

Write an expression for the sum of 8 and a number (n).

8 + n

100

Evaluate 3a + 4 when a equals 2

(3 x 2) + 4

= 6 + 4

= 10

100

Solve for a 

a + 5 = 12

a = 7

100
You and 3 friends are contributing to buy a friend a birthday present. Each of you are contributing the same amount y. Write an algebraic expression for the total amount contributed to the birthday present.

4y

200

Write an expression that represents 5 times a number (y)

5y

200

Evaluate 5y-3 when y equals 5

(5 x 5) - 3

= 25 - 3

= 22

200

Solve for y 

3y=15

y=5

200

Your cellphone company charges $90 a month plus a one time $50 setup fee. Write an expression for the cost of m months.

$50 + $90m

300

Write an expression for two less than k 

k-2

300

Evaluate 63/n when n equals 9

63/9 = 7

300

Solve for z

z - 8 = 4

z = 12

300

Ms. Bellio bought a bag of candies and needs to split them equally among her 20 students. Each student received 5 candies. How many candies did she have to begin with. Let c be the amount of candies she had. Write an equation and solve for c. Show your work

c/20=5 

c=100

Therefore, Ms. Bellio had 100 candies. 

400

Write an expression for Four more than double a number (n)

2n + 4

400

Evaluate 2y + 3 when y equals 7

(2x7) + 3

= 14 + 3

= 17

400

Solve for a

2a + 6 = 14

a = 4

400

Pringle Creek is charging $2 at the door per person for the 2025 Spring Musical. They must also pay an additional $10 if they buy a T-shirt. Write an expression of how much it costs for one person to enter if t T-shirts are bought.

2 + 10t

500

Write an expression for the quotient of a number (y) and 6

y/6

500

Evaluate 4(b - 2) when b = 7 

HINT solve the expression in BRACKETS first 

4(7-2) 

= 4(5) 

= 4 x 5

= 20

500

Solve for n 

n + 4 = 32 + 45

n = 73

500

Ms. Winkler is participating in a 52km Marathon. It took her 60 minutes to run 10km and another 60 minutes to run 12 km. How many more km does she have left to run? Write an equation using r as the amount she has left to run. Solve for r and show your work.

12+10+r = 52

r = 52-12-10

r = 30.

Therefore, Ms. Winkler has 30 more Km to run.