One-Step Equations (Add and Sub)

Vocabulary

100

A mathematical statement that states two expressions are equal is an 

equation

200

This property says, if you add the same number to each side of an equation, the two sides remain equal is

Addition property

300

This property says, if you subtract the same number to each side of an equation, the two sides remain equal is

Subtraction Property

400

This property says, if you multiply the same number to each side of an equation, the two sides remain equal is

Multiplication Property

500

This property says, if you divide the same nonzero number to each side of an equation, the two sides remain equal is

Division Property

Vocabulary Contd.

100

A letter that represents a number

Variable

200

A number in front of a variable; A number multiplied by a variable

Coefficient 

300

A math sentence with NO EQUAL SIGN

Expression

400

A number by itself

Constant

500

Terms whose variable and exponent are the same

Like terms

Inverse

100

The inverse of addition is...

Subtraction

200

The inverse of division is...

multiplication

300

The inverse of negative is...

positive

400

The inverse of multiplication is

Division

500

The inverse of -5 is..

5 or (positive 5)

One-Step (Add)

100

x+6=7

x=1

200

8+y=10

x=2

300

x+3=-5

x=-8

400

-2+z=8

x=10

500

-3=x+2

x=5

One-Step(Subtract)

100

x-6=10

x=16

200

2=x-1

x=3

300

-8=y-9

y=1

400

x-(-7)=10

x=3

500

y-(-5)=2

x=-3