Standards Map

Mathematics > Grade 2 > Geometry
Accessibility Mode: Note: You are viewing this information in accessibility mode. To view the map, enlarge your window or use a larger device.

Mathematics | Grade : 2

Domain - Geometry

Cluster - Reason with shapes and their attributes.

[2.G.A.3] - Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape.

Resources:


  • Partition
    A process of dividing an object into parts.

Predecessor Standards:

  • 1.G.A.3
    Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of. Describe the whole as two of, or four of the shares. Understand for these examples that decomposing into more equal shares creates smaller shares.

Successor Standards:

  • 3.NF.A.1
    Understand a fraction 1/b as the quantity formed by 1 part when a whole (a single unit) is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.

Same Level Standards:

  • 2.G.A.2
    Partition a rectangle into rows and columns of same-size squares and count to find the total number of them.