Elkhorn
Adult Learning Center
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Grammar

  • Conditional Sentences
  • Test Your Tenses: The Game of Verb Tenses
  • Test Your Tenses 2
  • Test Your Tenses 3
  • Personal Pronouns
  • Personal Pronouns - Exercise 1
  • Personal Pronouns - Exercise 2
  • Personal Pronouns / Possessive Case - Exercise 1
  • Personal Pronouns / Possessive Case - Exercise 2
  • Possessive Practice
  • Possessive Practice: Self-Check
  • Practice With Suffixes (verbs)
  • Practice With Suffixes (nouns)
  • Modifiers and Nouns
  • Special Nouns
  • Special Nouns Practice
  • Nouns:Count and Noncount
  • Subject/Verb Agreement - Exercise 1
  • Subject/Verb Agreement - Exercise 2
  • Noun/Pronoun Agreement - Exercise 1
  • Noun / Pronoun Agreement - Exercise 2
  • Possessive Nouns
  • Singular Possessive Nouns
  • Plural Possessive Nouns
  • Plural Possessive Nouns II
  • Compound Nouns
  • Nouns: Count and Noncount -- Many vs. Much
  • Nouns: Count and Noncount -- With the Articles "a" and "an"
  • Nouns: Count and Noncount with "a Few" and "a Little": Part 4
  • Phrasal Verbs With "Get" #1
  • Phrasal Verbs With "Get" #2
  • Phrasal Verbs With "Get" #3
  • Confusing Words

  • Homophones: To, Too, Two
  • Using "They're," "There," and "Their" Correctly
  • Using "Borrow" and "Lend" Correctly
  • Use "Do" and "Make" Correctly: Part 1 in a Series
  • Use "Do" and "Make" Correctly: Part 2 in a Series
  • Use "Do" and "Make" Correctly: Part 3 in a Series
  • Use "Do " and "Make" Correctly: Part 4 in a Series
  • Confusing Words -- Their, There, They're
  • Confusing Words -- Then, Than
  • Confusing Words--It's, Its
  • Confusing Words--Your, You're
  • Confusing Words--Lose, Loose, Loss
  • Confusing Words--Past, Passed
  • Using "Lie" and "Lay" Correctly
  • Using "At," "On," and "In" for Time
  • Ever and Never
  • In, On, and At
  • Raise, Rise
  • Say and Tell
  • Punctuation

  • Using Commas in a Series
  • Using Commas in a Series - Adjectives
  • Using Commas In a Series - Nouns
  • Using Commas in a Series - Verbs
  • Identifying Incorrect Sentences
  • GED Writing

  • GED Essay Writing -- Formula for Success
  • Writing the GED Essay - Using Transitional Words
  • Scoring the GED/HSED Essay
  • Generating Ideas: Thinking About the Topic
  • Writing for Employment

  • Application Success
  • Building a Resume
  • Creating and Formatting a Memo
  • Spelling

  • Spelling Rules
  • Vocabulary/Spelling Quiz
  • Singular and Plural Nouns Ending in an "s" Sound
  • Plural Nouns - Ordinary Spellings
  • Plural Nouns - Words Ending in "y"
  • Plural Nouns: Words Ending in "f" and "fe"
  • Plural Nouns: Words Ending in "o"
  • Prefixes

  • Practice with Prefixes #1
  • Practice with Prefixes #2
  • Suffixes

  • Practice with Suffixes (Nouns)
  • Practice with Suffixes (Verbs)


  • Math

    General Math

  • Multiplicaton Fact Practice - Flash Cards
  • Multiplication Fact Practice - Matching
  • Understanding Place Value
  • Important Zeros
  • Prime Numbers
  • Understanding Rounding
  • Basic Terms for Division
  • Long Division - Step-by-Step
  • Sorting Out Math Symbols
  • Least Common Multiple
  • Adding and Subtracting Signed Numbers
  • Multiplying and Dividing Signed Numbers
  • Multiplying a String of Signed Numbers
  • Identifying Key Words in Math Problems
  • Operations with Zero
  • Understanding Mean, Median, and Mode
  • Measurement

  • Units of Measurement
  • How to Convert from One Unit to Another in the Metric System
  • Measuring Length in the Metric System
  • Calculating Area
  • Math for Life

  • Conversions in Nursing Math
  • Buying a Car: What It Really Costs with Finance Charges
  • Calculating Monthly Expenses
  • Learning About Your Earnings
  • Monthly Expenses Worksheet
  • Decimals, Fractions, Percents

  • Fraction Basics
  • Simplifying Complex Fractions
  • Adding Fractions with Unlike Denominators
  • Subtracting Fractions with Unlike Denominators
  • Subtracting Mixed Number Fractions with Borrowing
  • Conversions: Fractions-Decimals- Percents Pre-Test
  • Conversions: Fractions-Decimals- Percents
  • Changing a Decimal to a Fraction
  • Ratios and Proportions
  • Working With Ratios
  • Simplifying Ratios With Fractions
  • Solving Percent Problems Using the Grid Method
  • Soving Percent Problems Using a Pyramid Grid
  • Geometry

  • Geometric Figures & Parts
  • Pythagorean Theorem
  • Right Triangles That Are Special: Using the Pythagorean Theorem
  • Plotting Points on a Coordinate System
  • The Circle
  • The Cube
  • The Rectangle
  • The Rectangular Solid
  • The Right Circular Cylinder
  • The Sphere
  • The Square
  • The Triangle
  • Using the GED Calculator

  • Learning to Use the Casio fx-260 Solar Calculator
  • Casio fx-260 Solar Calculator - Finding the Keys
  • Casio fx-260 Solar Calculator - Defining the Keys
  • Casio fx-260 Solar Calculator - Using the Keys
  • Algebra

  • Fundamental Laws of Algebra
  • Order of Operations
  • Calculating Exponents
  • Simplifying Algebraic Expressions: Addition & Subtraction
  • Simplifying Algebraic Expressions: Division
  • Simplifying Algebraic Expressions: Multiplication
  • The Difference Between -(6)Squared and (-6)Squared
  • Simplifying Square Roots
  • Multiplying Monomials
  • Solving Equations:Properties of Equality
  • Data Analysis

  • Reading and Interpreting Bar Graphs
  • Scientific Notation

  • Scientific Notation - What is it?
  • Converting Numbers Larger Than 1 to Scientific Notation
  • Converting Numbers Smaller Than 1 to Scientific Notation
  • Converting Scientific Notation to Ordinary Numbers


  • Social Studies

    Geography

  • Antarctica
  • Australia/New Zealand
  • Benelux
  • Canada
  • Capital Cities of Central America
  • Caspian Sea
  • Central America
  • Coastal West and Central Africa
  • Countries of Southern Africa
  • Countries of the Middle East
  • East Timor
  • European Union: Part 1
  • European Union: Part 2
  • European Union: Part 3
  • Greenland
  • Horn of Africa
  • Lake Baikal
  • Pacific Rim
  • Recognizing Landforms in North and Central America
  • Recognizing Water Forms in North and Central America
  • Refugees of the World
  • Sahel of Africa
  • South Africa and Its Neighbors
  • Southeast Asia
  • The Asian Subcontinent
  • The Black Sea
  • The Five Largest Deserts of the World
  • The Five Largest Rivers of Africa
  • The Middle East
  • What Happened to Yugoslavia?
  • Where Is Afghanistan?
  • Where Is Bolivia?
  • Where Is Colombia?
  • Where Is Japan?
  • Where Is Mexico?
  • Where Is Russia?
  • World's Smallest Countries
  • The Amazon Rain Forest
  • Danube River
  • International Time Zones
  • Checklist for World Travel
  • Chickens Around the World
  • United States Government and Politics

  • Amendments to the US Constitution
  • Presidents of the United States
  • Gerrymandering
  • Interest Groups: Civil and Constitutional Rights
  • Interest Groups: Economic
  • Interest Groups: Grass Roots and Community-Based
  • U.S. Presidential Roles and Responsibilities
  • The United States Congress
  • The Judiciary
  • The Judiciary Quiz
  • Supreme Court Justices
  • Sources of Government Power
  • Freedom of Religion
  • Understanding Voting Rates
  • Charts, Graphs, and Cartoons

  • Interpreting Line Graphs
  • Line Graphs
  • Pie Charts
  • Political Cartoons
  • Economics

  • Consumer Price Index - Frequently Asked Questions
  • Inflation
  • International Exchange Rates
  • Understanding The Interrelationship of Supply and Demand
  • Using Mathematics in Economics
  • What's Your Time Worth?
  • The Federal Reserve System
  • The U.S. National Debt
  • Map Skills

  • World Maps
  • Reading a Street Map
  • Identifying Landmarks on a Street Map


  • Science

    Physics

  • Mass Versus Weight
  • Newton's First Law of Motion
  • Newton's Second Law of Motion
  • Heat Transfer: Conduction, Convection, Radiation
  • Chemistry

  • Introduction to the Periodic Table
  • Learning the Elements of the Periodic Table by Name or Symbol
  • Chemical Formulas
  • Chemistry Math -- Solving a Formula
  • Science Lab Equipment -- Part 1
  • Biology

  • The Food Pyramid
  • Anatomy of the Ear
  • How the Brain Develops
  • Protein Synthesis
  • Viruses
  • General Science

  • Changes in Our World: Chemical and Physical