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A Non-math equation, interpreted by a mathematician:
"What is born must eventually die."
"What is sold by someone is bought by another."

Patricia Clark Kenschaft, Math Power

# Subtraction Principle

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Basic Lesson
Demonstrates how to subtract from both sides of an equation. Practice problems are provided.
Standard: Math 2
Grades: (6-8)
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Intermediate Lesson
Explains how to solve for a variable that includes subtraction. Practice problems are provided.
Standard: Math 2
Grades: (6-8)
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Independent Practice 1
Contains 20 Subtraction Principle problems. The answers can be found below.
Standard: Math 2
Grades: (6-8)
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Independent Practice 2
Features another 20 Subtraction Principle problems.
Standard: Math 2
Grades: (6-8)
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Homework Worksheet
12 Subtraction Principle problems for students to work on at home. Example problems are provided and explained.
Standard: Math 2
Grades: (6-8)
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Subtraction Principle Quiz
10 Subtraction Principle problems. A math scoring matrix is included.
Standard: Math 2
Grades: (6-8)
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Answer Keys
Answers for the homework and quiz.
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Answer Keys
Answers for both lessons and both practice sheets.
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The Math Used in Professional Football
Next time you are watching football and you see your favorite quarterback throw a pass completion, think about the math used in connection with completed pass.
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We Use Algebra Everyday?
Algebra is used everyday, all the time. It is used in problem solving situations when you are trying to determine how long it will take you to get from your home to your friends house.
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More Advanced Worksheets
The next level of math skills.
-Solving Multi-step Equations
-4-Step Problems
-Solving Equations Practice
-Permutations
Remedial Math Worksheets
Skills needed to get to this level.
-Combining Like Terms
-Function Tables
-Properties of Numbers
-Basic Algebra