1st grade · Math · Unit 7 of 14
Shapes
Flat shapes and solid shapes
What your child practices
Naming and comparing 2D shapes by their sides and corners, and 3D objects by their faces and whether they roll or stack.
Maine Learning Results learning standard: 1.G.A.1; 1.G.A.2 · defining attributes of shapes and building composite shapes
How we explain it
Children can open this short lesson before they practice.
- 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
Shapes in Maine
In the Maine Learning Results, this is unit 7 of 14 in 1st grade Math, after Measuring and before Data & Graphs.
Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.
Source: Maine Department of Education
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 many sides does this shape have?
- 4
- 6
- 3
3
Hint: Touch each straight side as you count.
Question 2
A number cube is shaped like a…
🎲- cube
- cone
- sphere
cube
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
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
- 🎁gift
- 🎾tennis ball
- 🍊orange
- 📦box
🔄 Rolls: soccer ball, tennis ball, orange · ✋ Does not roll: brick, gift, box
Hint: Round things with curved surfaces roll. Things with only flat faces slide.
Question 5
Which one is best for stacking?
- cone
- sphere
- cube
cube
Hint: Flat faces on the top and bottom make a shape easy to stack.
Question 6
How many corners does this shape have?
- 2
- 6
- 4
4
Hint: A corner is where two sides meet. Touch each one as you count.