Expressions and Equations

Vocabulary

100

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

Expression

200

This type of math problem has an equal sign.

Equation

300

a numerical or constant quantity placed before and multiplying the variable in an algebraic expression

Coefficient

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

16

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:

3(20 - 2x)

60 - 6x

500

Simplify:

9 + 7x + 11 + 12x

19x + 20

RANDOM

100

Ms. Barnett runs 4 miles every day. Write an EQUATION that could be used to figure out how many days she ran for if she ran a total of 44 miles.

44 = 4d    OR    44 / 4 = d

200

Alisa went to an amusement park. It cost her $7 just to enter. Then, it cost her an additional $2 per ride. Write an expression that can represent this situation if r is the number of rides Alisa went on.

7 + 2r

300

Write using exponential notation: 

3 x 3 x 3 x 3 + 4 x 4 x 4 x 4 + 8 x 8

3⁴ + 4⁴ + 8²

400

Write an equivalent expression for 48x + 60y  

12(4x + 5y)

500

Write an expression that is equivalent to 5(y + 7).

5y + 35