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ReasoningAges 10-12

Shape properties

Count sides and identify properties of familiar polygons using simple shape diagrams. Review suitability for your learners before teaching.

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Worksheet StudioPractice pack · Ages 10-12

Shape properties

Take your time. Show your thinking.

  1. 1. How many vertices (corners) does a heptagon have?

  2. 2. How many vertices (corners) does a triangle have?

  3. 3. How many sides does a square have?

  4. 4. How many sides does a nonagon have?

  5. 5. How many vertices (corners) does a pentagon have?

  6. 6. How many vertices (corners) does a nonagon have?

  7. 7. How many sides does a hexagon have?

  8. 8. How many vertices (corners) does a square have?

  9. 9. How many sides does a decagon have?

  10. 10. How many vertices (corners) does a octagon have?

  11. 11. How many sides does a triangle have?

  12. 12. How many sides does a heptagon have?

12 questions · Seed 104741 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 10-12

Shape properties

Answers and reasoning. Review before teaching.

  1. 1. How many vertices (corners) does a heptagon have?

    7

    A heptagon has 7 straight sides and 7 vertices.

  2. 2. How many vertices (corners) does a triangle have?

    3

    A triangle has 3 straight sides and 3 vertices.

  3. 3. How many sides does a square have?

    4

    A square has 4 straight sides and 4 vertices.

  4. 4. How many sides does a nonagon have?

    9

    A nonagon has 9 straight sides and 9 vertices.

  5. 5. How many vertices (corners) does a pentagon have?

    5

    A pentagon has 5 straight sides and 5 vertices.

  6. 6. How many vertices (corners) does a nonagon have?

    9

    A nonagon has 9 straight sides and 9 vertices.

  7. 7. How many sides does a hexagon have?

    6

    A hexagon has 6 straight sides and 6 vertices.

  8. 8. How many vertices (corners) does a square have?

    4

    A square has 4 straight sides and 4 vertices.

  9. 9. How many sides does a decagon have?

    10

    A decagon has 10 straight sides and 10 vertices.

  10. 10. How many vertices (corners) does a octagon have?

    8

    A octagon has 8 straight sides and 8 vertices.

  11. 11. How many sides does a triangle have?

    3

    A triangle has 3 straight sides and 3 vertices.

  12. 12. How many sides does a heptagon have?

    7

    A heptagon has 7 straight sides and 7 vertices.

12 questions · Seed 104741 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 10-12

Shape properties

Take your time. Show your thinking.

  1. 1. How many vertices (corners) does a heptagon have?

  2. 2. How many vertices (corners) does a triangle have?

  3. 3. How many sides does a square have?

  4. 4. How many sides does a nonagon have?

  5. 5. How many vertices (corners) does a pentagon have?

  6. 6. How many vertices (corners) does a nonagon have?

  7. 7. How many sides does a hexagon have?

  8. 8. How many vertices (corners) does a square have?

  9. 9. How many sides does a decagon have?

  10. 10. How many vertices (corners) does a octagon have?

  11. 11. How many sides does a triangle have?

  12. 12. How many sides does a heptagon have?

12 questions · Seed 104741 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 10-12

Shape properties

Answers and reasoning. Review before teaching.

  1. 1. How many vertices (corners) does a heptagon have?

    7

    A heptagon has 7 straight sides and 7 vertices.

  2. 2. How many vertices (corners) does a triangle have?

    3

    A triangle has 3 straight sides and 3 vertices.

  3. 3. How many sides does a square have?

    4

    A square has 4 straight sides and 4 vertices.

  4. 4. How many sides does a nonagon have?

    9

    A nonagon has 9 straight sides and 9 vertices.

  5. 5. How many vertices (corners) does a pentagon have?

    5

    A pentagon has 5 straight sides and 5 vertices.

  6. 6. How many vertices (corners) does a nonagon have?

    9

    A nonagon has 9 straight sides and 9 vertices.

  7. 7. How many sides does a hexagon have?

    6

    A hexagon has 6 straight sides and 6 vertices.

  8. 8. How many vertices (corners) does a square have?

    4

    A square has 4 straight sides and 4 vertices.

  9. 9. How many sides does a decagon have?

    10

    A decagon has 10 straight sides and 10 vertices.

  10. 10. How many vertices (corners) does a octagon have?

    8

    A octagon has 8 straight sides and 8 vertices.

  11. 11. How many sides does a triangle have?

    3

    A triangle has 3 straight sides and 3 vertices.

  12. 12. How many sides does a heptagon have?

    7

    A heptagon has 7 straight sides and 7 vertices.

12 questions · Seed 104741 · Age guidance, not curriculum certification