Clarifications:
Essential Understandings
Concrete:
- Make a set of objects from a given context.
- Add “more” to a set or “take from” or “take apart” a set based on the context.
- Recognize that the numbers in the problem relate to the objects being manipulated.
- Match objects to the steps in a problem. (Ex: 2 birds on a fence and one more bird flying onto the fence: how many birds?).
- Make a visual representation using drawings or pictures of a set from a given context.
- Add “more” to a set or “take from” or “take apart” a set based on the context.
- Recognize that the numbers in the problem relate to the visuals being utilized.
- Match pictures or drawings to the steps in a problem. (Ex: 2 birds on a fence and one more bird flying onto the fence: how many birds?).
Number: MAFS.2.OA.1.AP.1b | 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. |