Expressions and Equations

Vocabulary

100

This type of math problem has no equal sign.

Expression

200

This type of math problem has an equal sign.

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.

Algebra

Writing Expressions

100

Write the expression for 

2 more than x 

2 + x

200

Write the expression for 

double m decreased by 7

2m - 7

300

Write the expression for

5 less than quadruple x 

4x - 5

400

Write the expression for 

Twice the sum of a and b 

2(a+b)

500

Write the expression for 

The quotient of triple h and the difference of 8 and z

3h / 8 - z

One step equations

100

x/10 = 3

30

200

8x = 64

8

300

x + 5 = 21

16

400

x/8 = 13

104

500

20 = 3/4x

26 u 2/3

Simplify Expressions

100

Simplify:

3(x+2)

3x + 6

200

Simplify

4 (m + 9)

4m + 36

300

Simplify:

53x - 9x

44x

400

Simplify:

10x + 7 - 4x - 15

6x -8

500

Simplify:

-2y + 9 + 7x - 11 - 12x + 3y

-5x - 2 + y 

Writing Equations

100

It costs Fred $8 for a toothbrush. Write an equation to show the total amount Fred will spend on a toothbrush.

$8 = t

200

Write an equation for the following: 

Four less than a number is twenty.

x - 4 = 20

300

Kayla can run only half the distance of Jake. Write an equation to show the distance Kayla can run compared to Jake.

j/2 = k

400

It costs $8 for a pizza and $2 for a delivery fee. Write an equation for the total amount it would cost to get x pizzas delivered.

8x + 2 = t

500

OMS is getting ready for the Day of Awesomeness! It costs the school $1,000 to host the Day of Awesomeness and an additional $75 for each inflatable they bring. Write an equation to show the total amount the school would pay to host the Day of Awesomeness.

1,000 + 75x = t