Order of Operations
Algebraic Expression
Number Substitution for a Variable
Writing Equations
Inverse Operations
100

(8+7)−12= 

3

100

A gym charges a $50 membership fee plus $20 per month (m).

20m + 50

100

Substitute d=10 for 160÷d+3

19

100

The Pizza Party: You had some slices of pizza (p). After your friend ate 4 slices, there were 8 slices left.

p - 4 = 8

100

Solve for x:        x + 12 = 30

18

200

(11−5)+(6−3)=

9

200

You buy g packs of gum for $2 each and s sodas for $3 each.

2g + 3s

200

12x-13 for x=8.

83

200

Sharing Candy: You have a bag of candies (n). You divide them equally among 5 friends, and each friend gets 7 candies.

n\5 = 7

200

Solve for m:       4m = 48

12

300

( ( (18 - 8) + 10 ) - ( 12 - 4 ) ) + ( 25 - (15 - 5) )

27

300

You have 100 pieces of candy. You give 4 pieces to each of your f friends, and then you split the remaining candy equally between yourself and your brother.

(100 - 4f) \2

300

250 / (2 x (m + 3))

Use: m = 22

5

300

Movie Night: You buy 3 movie tickets (t) and a large popcorn for $12. The total bill is $45.

3t + 12 = 45

300

Solve for a:        3a + 10 = 40

10

400

(( ( (10 + 10) - 5) + 5) - 10) + ((20 - 10) + 5)

25

400

A gardener plants 5 rows of flowers. Each row has p pansies and 3 lilies.

5(p + 3)

400

( (140\2) + 10 ) \ (k - 5)

Use: k = 13 

10

400

The School Store: You buy 5 pens (p) and 5 erasers (e). The total cost is $20. (Write the equation using parentheses)

5(p + e) = 20

400

Solve for x: 4x + 18 = 50

8

500

( ( (40 - 10) + (20 - 5) ) - ( (15 + 5) + 5 ) ) + 100

120

500

You have x bags of marbles with 12 marbles in each. You lose 5 marbles from each bag. Then, you take all the remaining marbles and divide them into 3 large jars.

x(12 - 5) \ 3

500

(((b x 6) + (150 \b) ) - (b + 5)  \ (b\2))

Use: b = 10

12

500

The Reading Challenge: Sarah reads x pages a day for a week (7 days). On Sunday, she reads an extra 20 pages. In total, she read 160 pages that week.

7x + 20 = 160

500

Solve for k:  (((k + 2) x 3 ) - 6) \4 = 3

4