2D Shapes & Properties — Answer Key
Part A: Trace the Shape Names
Trace each shape name. Then write it on the dotted line.
1. circle
2. square
3. triangle
4. oval
5. star
6. heart
Part B: Fill in the Blank
Write the missing word or number on each line.
1. A triangle has 3 sides.
A triangle always has exactly 3 sides and 3 corners.
2. A square has 4 corners.
A square has 4 corners (also called vertices) and 4 equal sides.
3. A circle has 0 sides.
A circle has no straight sides and no corners — it is perfectly round.
4. A square has 4 sides.
A square has 4 equal sides and 4 equal corners.
Part C: True or False?
Circle True or False for each statement.
1. A triangle has 3 sides.
True False
True. A triangle always has exactly 3 sides — that is what makes it a triangle.
2. A circle has corners.
True False
False. A circle has no corners and no straight sides — it is perfectly round.
3. A square has 4 equal sides.
True False
True. All 4 sides of a square are the same length — that is what makes it a square, not just a rectangle.