Math 70 – Pre-Algebra
ModuMath lessons are intended to assist students in preparing for and succeeding in math classes
at Grays Harbor College. They are a supplement to assigned reading, problems, and classroom
instruction, not a replacement for them. Not all content taught in classes is available on
ModuMath.
Prerequisite Skills
Basic Math
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.10
1.11
1.14
2.1
3.1
3.2
Naming Whole Numbers
The Number Line
Adding Whole numbers – one digit
Adding Whole Numbers – more than
one digit
Subtracting whole numbers
Understanding multiplication
Multiplication – basic facts
Multiplying larger numbers
Dividing whole numbers – basic facts
Dividing Whole numbers – long division
Prime Numbers
Introducing Fractions
Understanding Decimals
Adding and Subtracting Decimals
3.3
3.4
3.5
3.6
4.1
4.2
6.1
6.2
6.3
6.4
6.5
6.7
Rounding Numbers
Multiplying Decimals
Dividing Decimals
Changing Fractions to Decimals
Percent
Percent in Word Problems
Measurement and Unit Conversion
The Metric System
Length
Perimeter & Circumference
Area and Volume
Weight and Temperature
5
6
The Laws of Algebra
Solving 1-Step Equations
4.2
4.3
5.1
5.2
5.3
5.4
5.5
5.6
6.11
Percent in Word Problems
More Problems in Percent
Signed Numbers (positives & negatives)
Adding Signed Numbers
Subtracting Signed Numbers
Multiplying Signed Numbers
Dividing Signed Numbers
Signed Fractions
Interpreting Graphs
8
9
10
11
12
Using Equations to Solve Problems
Solving Practical Problems
Inequalities (<, >, ≤ , ≥ )
Linear Equations and Graphs – Introduction
Linear Equations and Graphs - Slope
Algebra
1
2
Getting Acquainted with Algebra
Order of Operations
Skills Learned in This Course
Basic Math
1.9
2.2
2.3
2.4
2.5
2.6
2.7
4.1
Exponents
Renaming/Reducing Fractions
Adding Fractions with the Same
Denominator
Adding Fractions with Different
Denominators
Subtracting Fractions
Multiplying Fractions
Dividing Fractions
Percent
Algebra
1
2
3
5
6
7
Getting Acquainted with Algebra
Order of Operations
Adding and Subtracting Expressions
The Laws of Algebra
Solving 1-Step Equations
Solving 2-Step Equations