How it works
You can join shapes to make a new shape.
Then you can join that new shape to others.
Two triangles can make a square.
Worked examples
Two triangles
- Put two triangles side by side along their long edge.
- They can make a square.
- A square is made of two triangles.
Two half circles
- Put two half circles together along the flat sides.
- They make a whole circle.
- Two halves make a whole.
A bigger square
- Four small squares fit in a 2 by 2 block.
- They make one big square.
- Join small shapes to make a big one.
A taste of the worksheet
These are the first problems of set A. The printable sheet has many more, with an answer key.
- Pip slides two squares together, side by side. Which shape do they make?
- Pip cuts a square along the dashed line. What are the two pieces?
- How many small squares make this rectangle? ___
- Pip joins small squares to make one big square. How many small squares are there? ___
- Two squares side by side make a triangle.