Grade 1 · Math · Geometry

1st Grade Compose Two-Dimensional Shapes worksheets

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Compose Two-Dimensional Shapes

Grade 1 Math Worksheet

NameDate

Circle the answer, or write the answer on the line.

1.
Mia puts the three triangles side by side in a row. What shape does Mia make?
- circle
- pentagon
- triangle
- trapezoid
2.
Which pieces can be put together to make this shape?
- 4 quarter-circles
- 6 triangles
- 2 half-circles
- 2 squares
Count the pieces. How many pieces are there?
4.
Sam puts the four pieces together so the pointed corners meet in the middle. What shape does Sam make?
- trapezoid
- circle
- hexagon
- square
5.
Which pieces can be put together to make this shape?
- 2 circles
- 3 circles
- 2 half-circles
- 3 triangles
6.
Leo puts the two squares side by side. What shape does Leo make?
- triangle
- hexagon
- rectangle
- pentagon
7.
All of these pieces are the same shape. What shape are they?
- triangle
- square
- circle
- hexagon
8.
Which pieces can be put together to make this shape?
- 4 squares
- 3 triangles
- 4 quarter-circles
- 6 triangles
Count the pieces. How many pieces are there?
10.
Leo puts the four squares in 2 rows of 2. What shape does Leo make?
- square
- triangle
- pentagon
- circle

1st Grade Compose Two-Dimensional Shapes worksheet 1 – printable PDF — Download PDF: 1 2 3 4 5 6

About this worksheet

Composing shapes helps children see geometry as parts that can make a larger whole. First graders use triangles, squares, rectangles, and other shapes to build composite figures, then describe what parts were used. This prepares them for area, fractions, and spatial reasoning later. Children sometimes focus only on the outside outline and forget the smaller shapes that made it.

This worksheet asks them to choose which parts could make a whole, count repeated pieces, and identify a new shape built from smaller ones. Support pages use two simple parts. Standard and challenge pages use three or four pieces while keeping the visuals and language clear. Ask children to trace the outside shape, then trace each inside part separately and explain the build.

What your child will learn

Build a larger shape from smaller shapes
Identify parts inside a composite figure
Count repeated shape pieces
Describe how parts make a whole

Common Core standard: 1.G.A.2

Worked example

Two squares put side by side, with no gap between them, make a rectangle.

Common mistake

Naming only the outside shape and ignoring the smaller parts used to make it.

Helpful hint

Look at the parts first, then the whole they make together.

Next skill: Shapes, Halves, and Fourths Earlier: Shape Attributes

Questions parents ask

What is the most common mistake with compose two-dimensional shapes?

Naming only the outside shape and ignoring the smaller parts used to make it.

How can I help my child with compose two-dimensional shapes?

Look at the parts first, then the whole they make together.

Are these 1st grade math worksheets free to print?

Yes. All 6 printable versions on this page are free to download and print, with no account needed.

More 1st grade geometry

See all geometry

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