Access Point #: MAFS.1.OA.3.AP.6a (Archived Access Point)


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Add and subtract within 10, demonstrating fluency for addition and subtraction within 5.

Clarifications:

Essential Understandings

Concrete:

  • Make a set of objects within 10.
  • Add “more” to a set or “take from” or “take apart” a set.
  • Recount the set to get a sum or a difference within 10.
Representation:
  • Make a visual representation of a set within 10.
  • Add “more” to a set or “take from” or “take apart” a set.
  • Recount the set to get a sum or a difference within 10.
  • Understand the following concepts and vocabulary: add, take apart, take from, subtract.
  • After repeated exposure to concrete and representational addition and subtraction, students will become flexible, efficient, and accurate with addition and subtraction facts within 5.

Number: MAFS.1.OA.3.AP.6a Category: Access Points
Date Adopted or Revised: 06/14 Cluster: Add and subtract within 20. (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

Name Description
MAFS.1.OA.3.6: Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 – 4 = 13 – 3 – 1 = 10 – 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 – 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).



Related Courses

Name Description
5012030: Grade One Mathematics
7712020: Access Mathematics Grade 1
5012005: Foundational Skills in Mathematics K-2