
Reason with shapes and their attributes
2.G.A.1
Recognize and draw shapes having specified attributes, such as a given
number of angles or a given number of equal faces. Identify triangles,
quadrilaterals, pentagons, hexagons, and cubes
Sample Activities:
My Shape Riddle
Geoboard Quadrilaterals
Tangram Shapes
Skeletal Models
Math Read Aloud Task Card:
The Greedy Triangle
Also included in 2nd Grade Math Centers:
** Constructing 2Dimensional Shapes
** Describing 3Dimensional Shapes
** Comparing 3Dimensional Shapes
** Geoboard Triangles
** Flip, Slide, Turn
** Nets for a Cube
2.G.A.2 Partition a rectangle into rows and columns of samesize squares and count to find the total number of them.
Sample Activity:
Cover a Rectangle
Also included in 2nd Grade Math Centers:
** Complete the Rectangle
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.
Sample Activities:
Geoboard Halves
Fraction Barrier Game
Also included in 2nd Grade Math Centers:
** Geoboard Fourths
** Mr. Zed's Cakes