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Unit Plan

Mangahigh: Number: Mental Addition and Subtraction of Large Numbers

Curated by ACT

This site provides students practice with the concept of mental addition. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.

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CCSS: Adaptable
Concepts
addition, number sense
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Additional Tags
mental addition, mental mathematics, mental methods, mental subtraction, mangahigh, mangahigh: number: mental addition and subtraction of large numbers, prodigi
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Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice
Common Core
2.OA.B.2