Instructional Video

Khan Academy: Teens as Sums With 10

Curated by ACT

The video looks at the 1 in each teen number and thinks about what it really means as representing 10, and the pattern of the teen numbers as ten plus some other number.

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CCSS: Adaptable
Concepts
numbers, ones, tens, place value
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Additional Tags
ccss.math.content.1.nbt.b.2.b
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Classroom Considerations
  • Knovation Readability Score: 1 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional