2D vs 3D Shapes Worksheets Grade 1

Geometry

Flat vs Solid Shapes

Each printable worksheet below is a full page of practice problems and comes with an answer key that explains how to solve every problem, step by step. Open a worksheet and use the Print / Save as PDF button to download it.

Worksheet 1

4 problems
  1. Liam is helping his teacher organize the classroom supplies. He needs to find a container that can hold 250 marbles. Which container would be best for storing all the marbles?
  2. Which shape is flat like a piece of paper?
  3. Liam is building a model of a building using blocks. He needs to choose a shape that has flat faces, straight edges, and can be stacked easily. Which shape should Liam choose for his building model?

…and 1 more problems

Open & Print Worksheet 1

Worksheet 2

5 problems
  1. Which shape is flat and has 6 sides?
  2. Which shape can you stack like a can of soup?
  3. Matiu has a shape that is flat like a piece of paper. It has four sides that are all the same length and four corners. Is this shape 2D or 3D?

…and 2 more problems

Open & Print Worksheet 2

Worksheet 3

5 problems
  1. Which shape can you stack like blocks?
  2. Which shape can you hold in your hand like a ball?
  3. Tane has a toy that is shaped like a ball. He can roll it on the ground. Is the toy a 2D shape or a 3D shape?

…and 2 more problems

Open & Print Worksheet 3

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