Access Point #: MAFS.2.NBT.2.AP.7aArchived Access Point

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Decompose tens into ones and/or hundreds into tens in subtraction situations.
Clarifications:

Essential Understandings

Concrete:

  • Decompose a base ten rod into ‘ones’ blocks to use ones in a subtraction situation.
  • Decompose a base ten hundred flat into ‘tens’ rods to use tens in a subtraction situation.
  • Use base ten hundreds flats in a subtraction situation.
Representation:
  • Decompose a visual representation of base ten rod into ‘ones’ blocks to use ones in a subtraction situation.
  • Decompose a visual representation of base ten hundred flat into ‘tens’ rods to use tens in a subtraction situation.
  • Use a visual representation of base ten hundreds flats in a subtraction situation.
General Information
Number: MAFS.2.NBT.2.AP.7a
Category: Access Points
Date Adopted or Revised: 06/14
Cluster: Use place value understanding and properties of operations to add and subtract. (Major Cluster) : 

Clusters should not be sorted from Major to Supporting and then taught in that order. To do so would strip the coherence of the mathematical ideas and miss the opportunity to enhance the major work of the grade with the supporting clusters.

Related Standards

This access point is an alternate version of the following benchmark(s).

Related Courses

This access point is part of these courses.
5012040: Mathematics - Grade Two
7712030: Access Mathematics Grade 2
5012005: Foundational Skills in Mathematics K-2

Related Resources

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