From teachingchannel.org, produced by The Teaching Channel

Lesson Objective: Students master integer addition using number lines as a visual tool. Questions to Consider: How does the use of number lines help students visualize integer operations?How does this approach support long-term conceptual understandi...ng as compared to rote memorization of rules?Why is it important to use both horizontal and vertical number lines?
Common Core StandardsMath.7.NS.1b, Math.7.NS.1d
(5mins)[more]

From teachingchannel.org, produced by The Teaching Channel

Lesson Objective:Add and subtract integers using a number line and a song with motions. Questions to Consider: How does Mr. Kajitani use rap music to reinforce math concepts and build class culture?What specific strategies does Mr. K use to refocus s...tudents' attention?How does the real life context help make mathematical concepts approachable for students? Support Materials BelowAdding Integers Presentation
Common Core StandardsMath.7.NS.1c
(14mins)[more]

The video explains three different models you can use to show why subtraction of integers works: 1) number line jumps; 2) concept of difference; 3) positive/negative counters. Teacher and a white board but this may help a student that doesn't get it,... . Author: Maria Miller http://www.mathmammoth.com/[more]

This animated video demonstrates multiplication of positive and negative numbers using faces ( a smile and a frown) as visual clues. ( The video does not include audio.) ( :58)

In this video, a teacher demonstrates adding integers with different signs. He explains the process of subtracting the absolute value of the numbers and then attaching the sign of the number with the largest absolute value to the answer. The proble...ms are worked on a white board as they are explained. (01:01)[more]

From YouTube, produced by MuchoMath, Lawrence Perez, Candice Jhu

This video is a step-by-step lesson about addition and subtraction of multiple integer numbers. The video explains working left to right. The narrator uses humor and it is an easy video to follow. (08:47)

This video song is for the pre-algebra and algebra crowd on how to subtract negative integers. The explanations with the visuals are very good. This is a great resource to introduce and/or review integers in the middle school classroom. (1:50)

This video explains how to add both positive and negative numbers on a number line. It shows how this skill transitions into pre-algebra by making the addition problem a simple equation (e.g. 5+x=9). (07:05)

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