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ReasoningAges 7-9

Category odd one out

Compare four items, identify the shared property of three, and name the odd one out. Review suitability for your learners before teaching.

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Worksheet StudioPractice pack · Ages 7-9

Category odd one out

Take your time. Show your thinking.

  1. 1. Which is the odd one out: oxygen, nitrogen, carbon dioxide, granite?

    Which is the odd one out o… · Category odd one out

  2. 2. Which is the odd one out: oak, rose, pine, coconut palm?

    Which is the odd one out o… · Category odd one out

  3. 3. Which is the odd one out: minute, hour, second, metre?

    Which is the odd one out m… · Category odd one out

  4. 4. Which is the odd one out: cube, sphere, cylinder, rectangle?

    Which is the odd one out c… · Category odd one out

  5. 5. Which is the odd one out: canoe, ferry, helicopter, sailboat?

    Which is the odd one out c… · Category odd one out

  6. 6. Which is the odd one out: violin, flute, guitar, cello?

    Which is the odd one out v… · Category odd one out

  7. 7. Which is the odd one out: butterfly, bee, spider, ant?

    Which is the odd one out b… · Category odd one out

  8. 8. Which is the odd one out: Atlantic, Pacific, Sahara, Indian?

    Which is the odd one out A… · Category odd one out

  9. 9. Which is the odd one out: 2, 4, 9, 8?

    2 · 4 · 9 · 8 · Category odd one out

  10. 10. Which is the odd one out: Sight, Hearing, Running, Smell?

    Which is the odd one out S… · Category odd one out

  11. 11. Which is the odd one out: triangle, square, circle, pentagon?

    Which is the odd one out t… · Category odd one out

  12. 12. Which is the odd one out: 4, 9, 16, 20?

    4 · 9 · 16 · 20 · Category odd one out
12 questions · Seed 104729 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 7-9

Category odd one out

Answers and reasoning. Review before teaching.

  1. 1. Which is the odd one out: oxygen, nitrogen, carbon dioxide, granite?

    granite

    Oxygen, nitrogen and carbon dioxide are gases at room temperature; granite is a solid rock.

  2. 2. Which is the odd one out: oak, rose, pine, coconut palm?

    rose

    Oak, pine and coconut palm are trees; a rose is a flowering shrub.

  3. 3. Which is the odd one out: minute, hour, second, metre?

    metre

    Minute, hour and second measure time; a metre measures length.

  4. 4. Which is the odd one out: cube, sphere, cylinder, rectangle?

    rectangle

    Cube, sphere and cylinder are 3D solids; a rectangle is a flat 2D shape.

  5. 5. Which is the odd one out: canoe, ferry, helicopter, sailboat?

    helicopter

    Canoe, ferry and sailboat travel on water; a helicopter flies in the air.

  6. 6. Which is the odd one out: violin, flute, guitar, cello?

    flute

    Violin, guitar and cello are stringed instruments; a flute is a woodwind instrument.

  7. 7. Which is the odd one out: butterfly, bee, spider, ant?

    spider

    Butterfly, bee and ant are six-legged insects; a spider is an eight-legged arachnid.

  8. 8. Which is the odd one out: Atlantic, Pacific, Sahara, Indian?

    Sahara

    Atlantic, Pacific and Indian are oceans; the Sahara is a desert.

  9. 9. Which is the odd one out: 2, 4, 9, 8?

    9

    2, 4 and 8 are even numbers divisible by 2; 9 is an odd number.

  10. 10. Which is the odd one out: Sight, Hearing, Running, Smell?

    Running

    Sight, hearing and smell are human senses; running is a physical movement.

  11. 11. Which is the odd one out: triangle, square, circle, pentagon?

    circle

    Triangle, square and pentagon are polygons with straight sides; a circle has a curved boundary.

  12. 12. Which is the odd one out: 4, 9, 16, 20?

    20

    4 (2²), 9 (3²) and 16 (4²) are square numbers; 20 is not a square number.

12 questions · Seed 104729 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 7-9

Category odd one out

Take your time. Show your thinking.

  1. 1. Which is the odd one out: oxygen, nitrogen, carbon dioxide, granite?

    Which is the odd one out o… · Category odd one out

  2. 2. Which is the odd one out: oak, rose, pine, coconut palm?

    Which is the odd one out o… · Category odd one out

  3. 3. Which is the odd one out: minute, hour, second, metre?

    Which is the odd one out m… · Category odd one out

  4. 4. Which is the odd one out: cube, sphere, cylinder, rectangle?

    Which is the odd one out c… · Category odd one out

  5. 5. Which is the odd one out: canoe, ferry, helicopter, sailboat?

    Which is the odd one out c… · Category odd one out

  6. 6. Which is the odd one out: violin, flute, guitar, cello?

    Which is the odd one out v… · Category odd one out

  7. 7. Which is the odd one out: butterfly, bee, spider, ant?

    Which is the odd one out b… · Category odd one out

  8. 8. Which is the odd one out: Atlantic, Pacific, Sahara, Indian?

    Which is the odd one out A… · Category odd one out

  9. 9. Which is the odd one out: 2, 4, 9, 8?

    2 · 4 · 9 · 8 · Category odd one out

  10. 10. Which is the odd one out: Sight, Hearing, Running, Smell?

    Which is the odd one out S… · Category odd one out

  11. 11. Which is the odd one out: triangle, square, circle, pentagon?

    Which is the odd one out t… · Category odd one out

  12. 12. Which is the odd one out: 4, 9, 16, 20?

    4 · 9 · 16 · 20 · Category odd one out
12 questions · Seed 104729 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 7-9

Category odd one out

Answers and reasoning. Review before teaching.

  1. 1. Which is the odd one out: oxygen, nitrogen, carbon dioxide, granite?

    granite

    Oxygen, nitrogen and carbon dioxide are gases at room temperature; granite is a solid rock.

  2. 2. Which is the odd one out: oak, rose, pine, coconut palm?

    rose

    Oak, pine and coconut palm are trees; a rose is a flowering shrub.

  3. 3. Which is the odd one out: minute, hour, second, metre?

    metre

    Minute, hour and second measure time; a metre measures length.

  4. 4. Which is the odd one out: cube, sphere, cylinder, rectangle?

    rectangle

    Cube, sphere and cylinder are 3D solids; a rectangle is a flat 2D shape.

  5. 5. Which is the odd one out: canoe, ferry, helicopter, sailboat?

    helicopter

    Canoe, ferry and sailboat travel on water; a helicopter flies in the air.

  6. 6. Which is the odd one out: violin, flute, guitar, cello?

    flute

    Violin, guitar and cello are stringed instruments; a flute is a woodwind instrument.

  7. 7. Which is the odd one out: butterfly, bee, spider, ant?

    spider

    Butterfly, bee and ant are six-legged insects; a spider is an eight-legged arachnid.

  8. 8. Which is the odd one out: Atlantic, Pacific, Sahara, Indian?

    Sahara

    Atlantic, Pacific and Indian are oceans; the Sahara is a desert.

  9. 9. Which is the odd one out: 2, 4, 9, 8?

    9

    2, 4 and 8 are even numbers divisible by 2; 9 is an odd number.

  10. 10. Which is the odd one out: Sight, Hearing, Running, Smell?

    Running

    Sight, hearing and smell are human senses; running is a physical movement.

  11. 11. Which is the odd one out: triangle, square, circle, pentagon?

    circle

    Triangle, square and pentagon are polygons with straight sides; a circle has a curved boundary.

  12. 12. Which is the odd one out: 4, 9, 16, 20?

    20

    4 (2²), 9 (3²) and 16 (4²) are square numbers; 20 is not a square number.

12 questions · Seed 104729 · Age guidance, not curriculum certification