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Shapes and Angles Classification
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Shapes and Angles Classification
Help the geometry club sort its shape collection. Read each clue, use the diagrams, and write your answers in the spaces provided.
Shape Sort
Classify the 2D shapes in the diagram.
1.The diagram shows three triangles. How many straight sides does each shape have?
2.A square has four equal sides. How many vertices does it have?
- 3
- 4
- 5
- 6
3.Jai sorts shapes by their number of sides. A shape has five straight sides and five vertices. What is its name?
4.Which object is three-dimensional?
- A rectangle drawn on paper
- A cube-shaped block
- A circle drawn on paper
- A triangle drawn on paper
5.A triangular pyramid is made from flat triangular faces. How many faces does it have?
Angle Detectives
Use the angle diagram to help identify the angles.
6.The diagram shows an angle of 90°. What is this angle called?
7.An angle measuring less than 90° is called what?
- Acute
- Right
- Obtuse
8.A rectangle has four corners. How many right angles does it have?
9.A turn wider than a right angle but smaller than a straight line is what type of angle?
10.Explain one difference between a 2D shape and a 3D object. Give one example of each.
11.Draw one acute angle and one obtuse angle. Label each drawing with its angle name.
2 printable pages
Page 1
Page 2
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