Stand and Deliver: Teach Algebra
  • Math → Real World Application → Algebra
  • Math → Algebra → Negative Numbers

High school teacher Mr. Jaime Escalante teaches his students about negative and positive numbers. He uses a real-world example of digging into sand at the beach to help students understand the concept.

Public Discussion Questions


  1. Give a real world example of using positive and negative numbers.
  2. 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 Standards
    Understand that positive and negative numbers are used together to describe quantities having opposi...
  • Common Core State Standards
    Apply and extend previous understandings of addition and subtraction to add and subtract rational nu...
  • Common Core State Standards
    Describe situations in which opposite quantities combine to make 0. For example, a hydrogen atom has...
  • Common Core State Standards
    Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figure...
  • Common Core State Standards
    Identify zeros of polynomials when suitable factorizations are available, and use the zeros to const...
  • Common Core State Standards
    Find 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

Comments


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