1st Grade Math unit

1st Grade Shapes: Compose & Decompose — Math

This unit explores how two-dimensional and three-dimensional shapes can be combined to form new shapes or broken down into simpler parts. This 1st grade math unit includes 3 skills and 6 lesson steps. Skills include Composing New Shapes, Decomposing Shapes into Smaller Parts, Exploring 3D Shapes (Identify and Attributes).

Popular lessons in this unit

Make Rectangles from SquaresCompose Shapes using Puzzle PiecesSplit Rectangles and SquaresIdentify Parts of a Whole ShapeIdentify Cubes and SpheresIdentify Cones, Cylinders, and Prisms
Composing New ShapesDecomposing Shapes into Smaller PartsExploring 3D Shapes (Identify and Attributes)
Start this unit Back to 1st Grade Math

Skills and lessons

Composing New Shapes

Students will use various 2D shapes to create larger, more complex shapes, understanding how parts fit together to form a whole.

2 lessons

Decomposing Shapes into Smaller Parts

Students will break down larger shapes into simpler, smaller component shapes, understanding the parts-to-whole relationship.

2 lessons

Exploring 3D Shapes (Identify and Attributes)

Students will identify common three-dimensional shapes (cubes, cones, cylinders, spheres, rectangular prisms) and describe their attributes like faces, edges, and vertices.

2 lessons

Frequently asked questions

What is shapes: compose & decompose in 1st grade math?

Shapes: compose & decompose is a core 1st grade math topic. Skills include Composing New Shapes, Decomposing Shapes into Smaller Parts, Exploring 3D Shapes (Identify and Attributes). Students practice with short lessons and instant feedback on Besparq.

What will students learn in this 1st Grade math unit?

This unit explores how two-dimensional and three-dimensional shapes can be combined to form new shapes or broken down into simpler parts. This 1st grade math unit includes 3 skills and 6 lesson steps. Skills include Composing New Shapes, Decomposing Shapes into Smaller Parts, Exploring 3D Shapes (Identify and Attributes).

How can my child practice shapes: compose & decompose online?

Open any lesson below to watch the concept, try practice questions, and get kid-friendly hints from Sparq. No account is required to start.

What lessons are in this unit?

Skills include Composing New Shapes, Decomposing Shapes into Smaller Parts, Exploring 3D Shapes (Identify and Attributes). The unit has 6 lesson steps. Popular starting points include Make Rectangles from Squares, Compose Shapes using Puzzle Pieces, Split Rectangles and Squares.