Instructional Video

Khan Academy: Adding 2 Digit Numbers Without Regrouping 2

Curated by ACT

Demonstrates how to add 23 to 45 using drawings of base ten cubes to represent 1s and 10s. [2:34]

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CCSS: Adaptable
Classroom Considerations
  • Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Practice
Common Core