Worked example
A flat shape has exactly three straight sides and three corners. Which shape is it?
Answer & why
Answer: triangle
A triangle has three sides and three corners.
Kindergarten · Math
Name flat shapes by their properties
Identify common flat shapes by sides and corners, even when size or orientation changes.
6 authored questions + worked example
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All questions
All 6 authored questions for this skill.
Question 1
A flat shape has four equal sides and four square corners. Which shape is it?
- triangle
- hexagon
- circle
- square
A hint
Count sides and corners; do not rely on the direction the shape points.
Answer & why
Answer: square
A square has four equal sides and four right-angle corners.
Question 2
Which named shape always has six straight sides?
- square
- hexagon
- circle
- triangle
A hint
Count sides and corners; do not rely on the direction the shape points.
Answer & why
Answer: hexagon
A hexagon is a six-sided polygon.
Question 3
A triangle is turned upside down. What is its shape now?
- square
- rectangle
- triangle
- circle
A hint
Count sides and corners; do not rely on the direction the shape points.
Answer & why
Answer: triangle
Turning a shape does not change its three sides and three corners.
Question 4
A rectangle is drawn larger while keeping its shape. What is it still called?
- rectangle
- circle
- triangle
- hexagon
A hint
Count sides and corners; do not rely on the direction the shape points.
Answer & why
Answer: rectangle
Changing size does not change the shape name.
Question 5
A flat shape has exactly three straight sides and three corners. Which shape is it?
- triangle
- hexagon
- rectangle
- circle
A hint
Count sides and corners; do not rely on the direction the shape points.
Answer & why
Answer: triangle
A triangle has three sides and three corners.
Question 6
Which flat shape is round and has no straight sides or corners?
- circle
- square
- triangle
- rectangle
A hint
Count sides and corners; do not rely on the direction the shape points.
Answer & why
Answer: circle
A circle has a curved boundary with no corners.