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Which shape does not belong, and why?

1st grade (Year 2 in England) · 16 questions · Common Core: 1.G.A.1 · England: Y1 Geometry, Y2 Geometry

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  1. Question 1

    Which shape does not belong: hexagon, circle, pentagon?

    • A. hexagon
    • B. circle
    • C. pentagon

  2. Question 2

    Aisha sorts shapes into two groups: "has 4 sides" and "does not have 4 sides". Where does a hexagon go?

    • A. Has 4 sides
    • B. Does not have 4 sides

  3. Question 3

    Which shape does not belong: square, triangle, circle?

    • A. square
    • B. triangle
    • C. circle

  4. Question 4

    Lucia sorts shapes into two groups: "has 4 sides" and "does not have 4 sides". Where does a hexagon go?

    • A. Has 4 sides
    • B. Does not have 4 sides

  5. Question 5

    Which shape does not belong: hexagon, circle, pentagon?

    • A. hexagon
    • B. circle
    • C. pentagon

  6. Question 6

    Grace sorts shapes into two groups: "has 4 sides" and "does not have 4 sides". Where does a rectangle go?

    • A. Has 4 sides
    • B. Does not have 4 sides

  7. Question 7

    Which shape does not belong: rectangle, hexagon, square?

    • A. rectangle
    • B. hexagon
    • C. square

  8. Question 8

    Yuki sorts shapes into two groups: "has 4 sides" and "does not have 4 sides". Where does a triangle go?

    • A. Has 4 sides
    • B. Does not have 4 sides

  9. Question 9

    Which shape does not belong: triangle, circle, square?

    • A. triangle
    • B. circle
    • C. square

  10. Question 10

    Zoe sorts shapes into two groups: "has 4 sides" and "does not have 4 sides". Where does a pentagon go?

    • A. Has 4 sides
    • B. Does not have 4 sides

  11. Question 11

    Which shape does not belong: triangle, square, circle?

    • A. triangle
    • B. square
    • C. circle

  12. Question 12

    Maya sorts shapes into two groups: "has 4 sides" and "does not have 4 sides". Where does a rectangle go?

    • A. Has 4 sides
    • B. Does not have 4 sides

  13. Question 13

    Which shape does not belong: circle, triangle, square?

    • A. circle
    • B. triangle
    • C. square

  14. Question 14

    Omar sorts shapes into two groups: "has 4 sides" and "does not have 4 sides". Where does a circle go?

    • A. Has 4 sides
    • B. Does not have 4 sides

  15. Question 15

    Which shape does not belong: hexagon, rectangle, square?

    • A. hexagon
    • B. rectangle
    • C. square

  16. Question 16

    Daniel sorts shapes into two groups: "has 4 sides" and "does not have 4 sides". Where does a triangle go?

    • A. Has 4 sides
    • B. Does not have 4 sides

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Answer key: Which shape does not belong, and why?

  1. 1. B. circle

  2. 2. B. Does not have 4 sides

  3. 3. C. circle

  4. 4. B. Does not have 4 sides

  5. 5. B. circle

  6. 6. A. Has 4 sides

  7. 7. B. hexagon

  8. 8. B. Does not have 4 sides

  9. 9. B. circle

  10. 10. B. Does not have 4 sides

  11. 11. C. circle

  12. 12. A. Has 4 sides

  13. 13. A. circle

  14. 14. B. Does not have 4 sides

  15. 15. A. hexagon

  16. 16. B. Does not have 4 sides