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.
- Recount the set to get a sum or a difference based on the context.
- Recognizing that the numbers in the problem relate to the objects being manipulated, write or match numbers to create an equation to represent the problem and solution.
- 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.
- Recount the set to get a sum or a difference based on the context.
- Recognizing that the numbers in the problem relate to the visual representations being utilized, write or match numbers to create an equation to represent the problem and solution.
- Understand the following concepts and vocabulary of adding to, take away, equation.
| Number: MAFS.2.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. |