The purpose of this task is to support students in developing an understanding of a place value strategy for adding numbers. By using a representation to visualize the abstract notation, students will make sense of the strategy, adding tens with tens and ones with ones.

Concepts

addition

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Additional Tags

adding, 2.nbt.a.9 why add/sub work, explain addition, illustrated mathematics, illustrated mathematics: peyton and presley discuss addition, number and operations in base, use place value to understand addition

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Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
• The intended use for this resource is Instructional

• This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information

Common Core

2.NBT.B.9 3.NBT.A.2 2.NBT.B.7 2.NBT.B.5 1.NBT.C.4 1.NBT.C.6 2.NBT.B.6