### Resource Sites

GED® is a registered trademark of the American Council on Education (ACE) and administered exclusively by GED Testing Service LLC under license. This material [or content] is not endorsed or approved by ACE or GED Testing Service.

## Solving Linear Systems with the Substitution Method

Solving Linear Systems through the Substitution Method

### Printable PDF Worksheet and answer key:  Solving Linear Systems through the Substitution Method

Worksheet problems 1 & 2

Worksheet problems 3 & 4

Worksheet problems 5 & 6

## Common Key Words for Math Operations

Many students have a hard time deciding whether they should add, subtract, multiply, divide, or perform a combination of operations.  Many times it is clear which operation/s should be used, other times it is not so clear.

As a teacher it is important that you help your students expand their math vocabulary.  Learning new words and their meaning will help to dissect “story problems”.

Download the pdf for Common Words For Math Operations and have it  handy when you are teaching/solving math problems.

Take a 20 question quizz to see if you know the Common Words For Math Operations .

If you think there are missing words/phrases, please let us know.

Question 1: deposit
subtraction
multiplication
division
Question 2: of
subtraction
multiplication
division
Question 3: difference
subtraction
multiplication
division
Question 4: quotient
subtraction
multiplication
division
Question 5: divided evenly
subtraction
multiplication
division
Question 6: equal pieces
subtraction
multiplication
division
Question 7: total
subtraction
multiplication
division
Question 8: twice
subtraction
multiplication
division
Question 9: sum
subtraction
multiplication
division
Question 10: reduce
subtraction
multiplication
division
Question 11: plus
subtraction
multiplication
division
Question 12: more than
subtraction
multiplication
division
Question 13: between
subtraction
multiplication
division
Question 14: shared evenly
subtraction
multiplication
division
Question 15: withdrawl
subtraction
multiplication
division
Question 16: average (when you need to add more than one number to solve the problem)
subtraction
multiplication
division
Question 17: average (when you are given the average number and need to find the total of something)
subtraction
multiplication
division
Question 18: product