Take the fear out of signed numbers. An educational video explains signed numbers as keeping the sign when both are the same, and offers tricks for what to do when one is positive and the other is negative.

Concepts

addition, subtraction, positive numbers, negative numbers, addition negative numbers, subtraction negative numbers

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Additional Tags

math

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Instructional Ideas

• Create additional practice problems for pupils to solve independently
• Provide a number line for those that need a physical reference

Classroom Considerations

• Requires prior knowledge of addition, subtraction, positive numbers, and negative numbers

• This video is hosted on YouTube

Pros

• Uses various colors to show process of solving each problem
• Offers multiple ways to solve each problem and provides each explanation both verbally and written

Cons

• None

Common Core

6.NS.C.5 6.NS.C.6.a 6.NS.C.7.c 7.NS.A.1.b 7.EE.B.3