Clarifications:
Essential Understandings
Concrete:
- Count up to 20 objects (students are expected to multiply within 20, refer to MAFS.3.OA.3.AP.7a).
- Identify the space on a surface (e.g., piece of paper) to be measured.
- Demonstrate that area can be determined by covering a rectangular shape or space with square tiles that have no gaps or overlaps.
- Count to find the number of unit squares used to find the area of a rectangular figure.
- Tile a rectilinear figure (a figure with all edges meeting at right/90 degree angles).
- Count to find the area of a rectangle when given a visual representation (i.e., a picture or an array).
- Understand the following concepts and vocabulary: rectangle, tile, unit square, gaps, overlaps, and total area.
| Number: MAFS.3.MD.3.AP.6a | Category: Access Points |
| Date Adopted or Revised: 06/14 |
Cluster:
Geometric measurement: understand concepts of area and relate area to multiplication and to addition. (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. |