Grade 1 · Math · Unit 11 of 15
Shapes
Flat shapes and solid shapes
What your child practises
Naming and comparing 2D shapes by their sides and corners, and 3D objects by their faces and whether they roll or stack.
Ontario Curriculum expectation: E1.1, E1.3 · sorting 2D shapes and 3D objects and describing their features
How we explain it
Children can open this short lesson before they practise.
- Flat shapes have sides and corners.
- Solid shapes can roll, stack or slide.
- A sphere rolls every way, like a ball.
Example: Which solid shape rolls every way, like a ball? A cube has flat sides, so it slides. Only a sphere rolls every way. Answer: A sphere
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
How is a circle different from a square?
- A circle has no corners
- A circle has more corners
- A circle has 4 sides
Show answer
A circle has no corners
Hint: Run your finger around a circle. Do you bump into any corners?
Question 2
A drum is shaped like a…
🥁- cylinder
- sphere
- cone
Show answer
cylinder
Hint: Think about its faces. Is it round all over, or does it have flat faces or a point?
Question 3
Which shape has more sides?
- triangle
- hexagon
Show answer
hexagon
Hint: Count the sides of each shape. Which number is bigger?
Question 4
Does it roll? Sort them.
Sort into: 🔄 Rolls · ✋ Does not roll
- 🧱brick
- ⚽soccer ball
- 📦box
- 🎾tennis ball
- 🎁gift
- 🍊orange
Show answer
🔄 Rolls: soccer ball, tennis ball, orange · ✋ Does not roll: brick, box, gift
Hint: Round things with curved surfaces roll. Things with only flat faces slide.
Question 5
How many corners does this shape have?
- 2
- 0
- 4
Show answer
0
Hint: A circle is round all the way around. Can you find any pointy corners?
Question 6
What is this shape called?
- hexagon
- rectangle
- triangle
Show answer
hexagon
Hint: Count the sides. There are 6!