Why Do People Say that Repeated Addition is Multiplication?

Is a repeated addition definition mathematically valid? Using mathematical properties, a video explains why, even though there is a connection between repeated addition and multiplication, it is not a good definition. The properties hold for all types of multiplication and not just whole number multiplication.

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CCSS: Adaptable
Instructional Ideas

  • Verify that the same claim works for decimals and fractions
Classroom Considerations

  • Expects that students know the distributive property
  • The class should be comfortable with multiplication

  • Includes links to additional resource on mathematical properties
  • Uses an example to demonstrate the concept

  • None
Common Core