Unit Plan
Cool Math

Coolmath: Subtraction of Signed Numbers

For Students 6th - 8th Standards
Reference material and practice with integer subtraction.
Interactive
Mocomi & Anibrain Digital Technologies

Mocomi: Addition and Subtraction of Integers

For Students 6th - 8th
Explores the commutative, associative, and distributive properties of integers, and rules for adding and subtracting them.
Unit Plan
Saddleback College

Algebra2go: Introduction to Subtraction Problem Sets

For Students K - 1st Standards
This resource has three problem sets to practice subtraction. Select a problem set, then select a question. Fill in the blank with the correct answer for each problem. When you have answered all of the questions, ask Charlie how you did.
Unknown Type
Math Aids

Math Aids: Integers Worksheets

For Teachers Pre-K - 1st Standards
Great resource to practice and strengthen math skills pertaining to integers. Math worksheets are printable, may be customized, and include answer keys.
Article
Mocomi & Anibrain Digital Technologies

Mocomi: What Are Factors and Multiples?

For Students 2nd - 8th Standards
Explores factors and multiples and the difference between them.
Handout
Math Open Reference

Math Open Reference: Negative Numbers

For Students 9th - 10th
Learn about negative numbers with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

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