Vocabulary
Write Expressions
Evaluate Expressions
Solve Equations
Mystery
100
A letter used to represent a number is called a
variable
100

Write the expression: Add 12 to x

x + 12

100

Evaluate y + 17 when y=9

26

100

Solve for p 

3p = 36

p = 12

100

Complete the inequality with =, >, or < When b = 4 then, b + 2 _______ 15

<

200
An expression which contains variables is called an
algebraic expression
200

Write the expression: Subtract x from 11

11 - x

200

Evaluate y - 5 when y = 27

22
200

2x + 5 = 21

x = 8

200

Complete the inequality with =, >, or < when b = 9 2b + 8 _________ 3b - 4

>

300
When two expressions are compared using > or <, the whole statement is an
inequality
300
Write the expression: Multiply x by 7
7x
300

Evaluate the expression 9y when y = 6

54

300

13 + 7x = 27

x = 2

300

Complete the inequality with =, <, or > when b = 9 

(b divided by 3) x 6 __________ 26

=

400
If two expressions have the same value, the whole statement is an
equation
400

Write the expression: Divide 9 by x

9/x

400

Evaluate, when y = 10: 15y +2 

152

400

3r + 36 = 10r - 10

r = 6

400

Susie has leftover Valentine's Day candy. She puts her candy into x number of bags of 4 pieces of candy each, with 2 leftover.

 a.) Express the total number of candy pieces in terms of x.

b.) If x = 7, how many pieces of candy does Susie have?

a.) 4x+2

b.) 30

500
To find the value of the variable that will make an equation true is to _____________ the equation.
solve
500

Write the expression: Subtract 17 from x and then divide by 3

x - 17/ 3

500

Evaluate the expression, when p is 32

3p/8 + 4 

16

500

8m - 25 = 5+3m

m=6

500

Andrew has 3r - 3 video games. Mike has 2r + 5 video games.  If r = 21, how many games do they each have? Who has more games? (Andrew or Mike?) 

 Andrew has 60. Mike has 47. Andrew has more video games.

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