Stand and Deliver: Teach Algebra
High school teacher Mr. Jaime Escalante teaches his students about negative and positive numbers. He uses a realworld example of digging into sand at the beach to help students understand the concept.
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Public Discussion Questions

Give a real world example of using positive and negative numbers.

Explain how a negative plus a positive of the same number equals zero.
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Standards
This clip is associated with the following standards:

Common Core State StandardsUnderstand that positive and negative numbers are used together to describe quantities having opposi...

Common Core State StandardsApply and extend previous understandings of addition and subtraction to add and subtract rational nu...

Common Core State StandardsDescribe situations in which opposite quantities combine to make 0. For example, a hydrogen atom has...

Common Core State StandardsDescribe the effect of dilations, translations, rotations, and reflections on twodimensional figure...

Common Core State StandardsIdentify zeros of polynomials when suitable factorizations are available, and use the zeros to const...

Common Core State StandardsFind inverse functions.
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Public Pause Prompts
Start Time  Prompt  Timing  Length 

01:35  What does the sand that comes out of the hole represent in Algebra?  Timed  01:00 
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