Geometry

Grade 1 Math

3 topics6 lessonsCommon Core Standards

Students in Grade 1 explore shapes, their properties, and relationships, developing spatial reasoning and geometric understanding.

Defining Shapes

Identify, describe, and distinguish between different shapes based on their attributes.

15 minutes2 lessons
CoursePracticeTest

Composing Shapes

Create new shapes by combining different 2D and 3D shapes together.

20 minutes2 lessons
CoursePracticeTest

Partitioning Shapes

Divide circles and rectangles into equal parts and learn about halves, quarters, and fourths.

20 minutes2 lessons
CoursePracticeTest

Standards Alignment

Common Core Standards - Grade 1

1.G.A.1

Distinguish between defining attributes versus non-defining attributes; build and draw shapes to possess defining attributes.

1.G.A.2

Compose two-dimensional shapes or three-dimensional shapes to create a composite shape, and compose new shapes from the composite shape.

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.