One Step & Two Step Equations

Random?

100

What is the opposite of addition?

Subtraction

200

The letter in an equation is called the....

variable

300

What is an inverse operation?

The opposite of a given operation.

400

When solving an equation, what is the goal?

To isolate the variable

500

What is it called when you replace a variable with a number?

substitution

One Step Equations

100

M / 16 = 8

m = 128

200

x − 7 = 13

x = 20

300

m − 9 = −13

m =  -4

400

Twice a number is 34.

 n= 17

500

4+ p=11

p  =7

Order of Operations

100

(25-3)/(6+5)

2

200

53 - 28 + (50 ÷ 25)

27

300

156 – (140 – 124) x 5

76

400

5 × ( 6^2−2 )

 

170

500

16 + 2 x (30 – 15 ÷ 5)

70

Two Step Equations

100

−2 = 2 + v/4

v= 16

200

−6 = n/2 − 10

n= 8

300

−9x + 1 = −80

x = -9

400

−6 + x/4 = −5

x= 4

500

10 − 6v = −104

v = 9

Two Step Equations

100

5y- 11 = 49

y = 12

200

x/8 + 4 =13

x= 72

300

-8a + 1 = -23

a= 3

400

b/ (-8) +10 =4

b = 48

500

35 = −4m + 5

m = -7.5 or m = 7 1/2