
EXPLORER SHEET
Think · Explain
Explore the world of shapes
Observe each shape and count its straight sides and corners.
Name __________________________ Date __________________
Question 1
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How many straight sides does a triangle have?
Question 2
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How many corners does a square have?
Question 3
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How many straight sides does a circle have?
Question 4
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How many straight sides does a rectangle have?
Question 5
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How many corners does this quadrilateral have?
Question 6
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How are these two shapes different?
Show answer guide for parents
1. 3 sides · 2. 4 corners · 3. 0 straight sides · 4. 4 sides · 5. 4 corners · 6. A triangle has 3 sides and 3 corners; a quadrilateral has 4 sides and 4 corners.
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Sample worksheet created for the MathBone website · For practising thinking and discussion