Early Math Operations

Order of Operations

100

7 + 2 x 5 =

17

200

(16 - 4) - 9 x 2 =

-6

300

50 + 3² - 3 x 12 + 7 =

30

400

(10 - 4 x 2) + (6 - 4)² x (20 x 2) =

162

500

19 + (7 - 2 x 6) / 5² - 18

2

Evaluating Expressions

100

a - 5 + b = 

a=11, b=10

16

200

p² + m = 

m=1, p=6

37

300

6t + v - v =

t= 4, v=5

24

400

m + p/5 = 

m= 2, p= -10

0

500

p + (28 + 4 x y) / 2t - r

p = 100     t = 58

y = 4         r = 104

12

Combining Like Terms

100

7x + 5 + 9x =

16x + 5

200

6y - 16y

-10y

300

13x + 4y + 37z + 98t - 43p

13x + 4y + 37z + 98t - 43p

400

4xy - 7xy + 2p - 3w - p

-3xy + p -3w

500

6a²b² + 3ab² - a²b² - 5ab² + 73w

5a²b² - 2ab² + 73w

Distributive Property

100

2(2y + 3)

4y + 6

200

4(y - 5)

y - 20

300

12(-3y + 2)

-36y + 24

400

-2(-6y - 2)

12y + 4

500

(15 + 6y)(-3)

-18y - 45

One-Step Equations

100

3y=21

y=7

200

8 + y = 20

y=12

300

y - 20 = 5

y=25

400

y/5 = 8

y=40

500

-15 + y = 10

y=25