Outline

# GED Mathematics Book 1 (preGED)

**G**eneral

**E**ducational

**D**evelopment (GED) tests are a group of four subject tests which, when passed, certify that the test taker has American or Canadian high school-level academic skills. Here are some topics which can assist students in learning the mathematics covered on the GED/HiSET/TASC/GCSE

**G**eneral

**C**ertificate of

**S**econdary

**E**ducation. Book 1 is a compilation of basic skills needed for success, but not tested.

**Mostly PreGED Skills**Book 2 has many activities which are tested.

**Many GED Level Skills**

**GED Mathematics Book1**https://www.geogebra.org/book/title/id/j4UyPdKW

**GED Mathematics Book 2**https://www.geogebra.org/book/title/id/mEs37yMj

**GED Science**https://www.geogebra.org/m/kH5xMUpw

**GED Slope**https://www.geogebra.org/m/cvAySD7E#chapter/261355 Thanks, Tim B.

**Geometry Introduction**https://www.geogebra.org/m/dsGHMH8u

## Table of Contents

### Introduction

### Place Value

- Practice Place Values
- Place Value
- Place Value for Decimals
- Place Value Cards - Input
- Place Value Cards - Random
- nlhukhlTwo-digit whole numbers
- Three-digit whole numbers
- Place Value: Addition
- Place Value: Subtraction
- Numbers to Words (hundreds)
- Number To Words
- Words to Numbers
- Rounding Whole Numbers
- Scientific Notation-Section 4.1
- Scientific Notation

### Arithmetic Skills

- Multiplication Practice
- Family of Addition/Multiplication Facts
- Integer Addition
- Integer Subtraction
- Integer Multiplication
- Integer Division
- Converting Decimals to Fraction
- Decimal Addition
- Decimal Subtraction
- Decimal Multiplication Practice
- Decimal Division
- Sieve of Eratosthenes
- Sieve of Eratosthenes
- Check if Number is Prime
- Prime Factors
- Find the LCM
- GCF and LCM
- Find the LCM(a,b,c)
- Factorization - Visual illustration of divisor pairs
- Fraction, Decimal, Percentage Equivalents
- Fraction Addition and Subtraction
- Integer Base/Exponents
- Broken Hundreds Chart

### Number Systems

- The Real Number System
- Venn Diagram Real Numbers
- Number Theory Sets
- Complex Number System
- Order of Operations
- Spiral of Pythagoras
- Multiplication is repeated Addition
- Division is Repeated Subtraction
- Subtraction is really Addition
- Divisibility Tests
- Integer Factors of Square Roots
- The Significance of a Negative Index (Power)
- The Universal Abacus
- sieve of eratosthenes

### Ratios, Proportion, Probability

### Percents