Expressions & Equations

Combine Like Terms

100

5h + 2 + 2h

7h + 2

200

3b + b - 8 

4b - 8

300

6a + 12 - 3a - 4

3a + 8

400

4c + 8 + 2c - 3

6c + 5

500

3y + 12 - y + 4

2y + 16

Substitution

100

Evaluate: 24/n

n = 8

3

200

Evaluate: x + 4.6

x = 3.2

7.8

300

Evaluate: 15 - f

f = 2.6

12.4

400

Evaluate: 6b + 4

b = 3

22

500

Evaluate: 14 - 3m

m = 2

8

Solve Equations

100

6d = 72

d = 12

200

x + 3x = 8

x = 2

300

n - 12.5 = 8

n = 20.5

400

x + 7.6 = 13.4

x = 5.8

500

4x = 38

x = 9.5

Vocab

100

This type of problem has no equal sign.

Expression

200

This type of math problem has an equal sign.

Equation

300

Numbers, variables, or variables and numbers separated by a plus or minus sign.

Terms

400

A letter in an expression or equation that stands for an unknown value.

Variable 

500

A number next to a variable in expressions and equations.  

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