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Handout
Cool Math

Coolmath: What Are Negative Numbers

For Students 6th - 8th Standards
Reference material describing negative numbers.
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Lesson Plan
Better Lesson

Better Lesson: Inequalities

For Teachers 6th Standards
If a < b, what do we know about a and b? If b < c < d, how could we show that on a number line? Students continue creating inequalities and graphs to represent situations.
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Article
Cuemath

Cuemath: Integers

For Students 6th - 9th Standards
The term "integer" was adapted in Mathematics from the Latin word "integer", which means intact or whole. Integers are very much like whole numbers, but they also include negative numbers. This article explains the properties of integers...
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Unit Plan
PBS

Pbs: Using the Pythagorean Theorem on the Cartesian Graph

For Students 6th - 8th Standards
In this interactive, students use logic and mathematical skill to place animals at the correct points on a Cartesian graph representing the cardinal directions. Then, they use the Pythagorean theorem to determine the distances between...
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Handout
Help Algebra

Help algebra.com: Addition & Subtraction of Real Numbers

For Students 9th - 10th Standards
Using a number line, the technique for adding and subtracting real numbers is demonstrated. Notation and calculator use is also touched on at the end of the lesson.
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Activity
Mr. Martini's Classroom

Mr. Martini's Classroom: Negative Number Subtraction Flashcards

For Students 3rd - 8th Standards
Students solve positive and negative number subtraction problems on these interactive flashcards. The problem changes color when the correct number is typed.
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Interactive
Mr. Martini's Classroom

Mr. Martini's Classroom: Negative Number Subtraction Cards, Fill in the Blank

For Students 6th - 8th Standards
Students type the correct positive or negative number to complete the subtraction problems on these interactive flashcards. The problem changes color when the correct number is typed.
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Activity
Mr. Martini's Classroom

Mr. Martini's Classroom: Negative Number Division Cards: Fill in the Blank

For Students 3rd - 8th Standards
Students type the correct positive or negative number to complete the division problems on these interactive flashcards. The problem changes color when the correct number is typed.
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Activity
Mr. Martini's Classroom

Mr. Martini's Classroom: Number Line With Negative Integers

For Students 3rd - 8th Standards
Students identify, compare, add, subtract, and multiply integers using a number line.
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Unknown Type
Mr. Martini's Classroom

Mr. Martini's Classroom: Negative Number Addition Subtraction Quiz

For Students 3rd - 8th Standards
Learners can test their knowledge of adding and subtracting positive and negative numbers with this interactive quiz.
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Whiteboard
ClassFlow

Class Flow: Negative Numbers

For Teachers 9th - 10th Standards
[Free Registration/Login Required] In this flipchart students apply their knowledge of integers to combine positive and negative integers and locate their position on a number line.
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Activity
Interactive Mathematics

Interactive Mathematics: Integers: Negative Numbers

For Students 9th - 10th Standards
Explore the world of negative numbers as you look at their relationship to positive numbers, integers, absolute value and more. Test your knowledge using he exercises and games provided.
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Handout
Khan Academy

Khan Academy: Dividing Negative Numbers Review

For Students 6th - 7th Standards
Summarizes the rules for dividing with negative numbers, along with examples, and presents three practice questions.
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Unit Plan
Khan Academy

Khan Academy: Practice: Adding Negative Numbers

For Students 5th - 6th Standards
Practice adding one-digit positive and negative numbers.