Math Language: Expressions and Equations

Vocabulary

100

A combination of operations, numbers and variables (letters) with no equal sign.

Expression

200

A mathematical sentence with "is" or one that compares two quantities.

Equation

300

Another word for numbers used in expressions and equations

Constant

400

Another word for the letters used in expressions and equations.

Variable

500

What type of math where numbers and symbols are used to formulate expressions and equations.

THIS IS WORTH DOUBLE POINTS

Algebra

THIS IS WORTH DOUBLE POINTS

Writing Equations

100

The sum of y and 85 is 123

y + 85 = 123

200

43 less than h is 25

h - 43 = 25

300

The product of c and 23 is 322

23c = 322

400

The quotient of x and 15 is 210

x/15 = 210

500

The product of a number y and 27 is 243

27y = 243

One step equations

100

x/10 = 3

30

200

8x = 64

8

300

x + 5 = 9

4

400

x - 8 = 18

26

500

20 = |x + 4|

x = 16 or x = -24

Simplify Expressions

100

Simplify:

3(x+2)

3x + 6

200

Simplify

4 (m - 9y)

THIS IS WORTH DOUBLE POINTS

4m - 36y

THIS IS WORTH DOUBLE POINTS

300

Simplify:

9x - 3x

6x

400

Simplify:

1/2(20-2x)

10 - x

500

Simplify:

9 + 7x - 11 - 12x

-5x - 2

Name that Property

100

a(b+c)=ab+ac

Distributive Property?

200

a+b = b+a

Commutative Property?

300

a + (b + c) = (a + b) + c

Associative Property?

400

Simplify: 9x - 7 + 3x

Which Property?   9x + 3x - 7

Solution: 12x - 7

What is the Commutative Property?

500

Multiply 45(11)

Solution 

45(10 + 1)

450 + 45

495

Distributive Property