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Solve one-step addition and subtraction word problems where the change or result is unknown (4 + _ = 7) or (4 + 3 = __), within 20 using objects, drawings or pictures.
Clarifications:
Essential Understandings
Concrete:
- Make a set with objects from a given context within 20.
- Join or separate objects and count to determine how many were ‘added to’ the set (Ex: Rich had 11 crayons. Rich found more crayons. He has 14 crayons. How many did he find?) ‘take from’ the set (Ex: There were 14 apples. Jane ate some of the apples. There are 3 apples left. How many apples were eaten?), or the sum or difference./li>
- Make a drawing or picture of a set from a given context within 20.
- Join or separate drawings or pictures and count to determine how many were ‘added to’ the set, ‘taken from’ the set.
- Recognize that the numbers in the problem relate to the drawings or pictures being utilized.
- Understand the following concepts and vocabulary: add, take apart, take from, subtract.
General Information
Number: MAFS.1.OA.1.AP.1c
Category: Access Points
Date Adopted or Revised:
06/14
Cluster:
Represent and solve problems involving addition and subtraction. (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 Resources
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Student Resources
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