Small practice. Bright discoveries.Explore the free starter collection
Back to worksheets
ReasoningAges 4-6

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.

New variationTry interactive challengeBrowse templates

Choose “Save as PDF” to keep a copy. Use your browser’s paper setting for A4 or Letter.

Worksheet StudioPractice pack · Ages 4-6

Category odd one out

Take your time. Show your thinking.

  1. 1. Which is the odd one out: ruler, thermometer, weighing scale, paintbrush?

    Which is the odd one out r… · Category odd one out
  2. 2. Which is the odd one out: Sight, Hearing, Running, Smell?

    Which is the odd one out S… · Category odd one out
  3. 3. Which is the odd one out: oxygen, nitrogen, carbon dioxide, granite?

    Which is the odd one out o… · Category odd one out
  4. 4. Which is the odd one out: minute, hour, second, metre?

    Which is the odd one out m… · Category odd one out
  5. 5. Which is the odd one out: cube, sphere, cylinder, rectangle?

    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: canoe, ferry, helicopter, sailboat?

    Which is the odd one out c… · Category odd one out
  8. 8. Which is the odd one out: 4, 9, 16, 20?

    4 · 9 · 16 · 20 · 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: eagle, penguin, dolphin, sparrow?

    Which is the odd one out e… · Category odd one out
  11. 11. Which is the odd one out: butterfly, bee, spider, ant?

    Which is the odd one out b… · Category odd one out
  12. 12. Which is the odd one out: library, school, museum, cloud?

    Which is the odd one out l… · Category odd one out
12 questions · Seed 44 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 4-6

Category odd one out

Answers and reasoning. Review before teaching.

  1. 1. Which is the odd one out: ruler, thermometer, weighing scale, paintbrush?

    paintbrush

    Ruler, thermometer and weighing scale are measuring instruments; a paintbrush is for painting.

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

    Running

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

  3. 3. 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.

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

    metre

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

  5. 5. 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.

  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: canoe, ferry, helicopter, sailboat?

    helicopter

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

  8. 8. 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.

  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: eagle, penguin, dolphin, sparrow?

    dolphin

    Eagle, penguin and sparrow are birds; a dolphin is a marine mammal.

  11. 11. 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.

  12. 12. Which is the odd one out: library, school, museum, cloud?

    cloud

    Library, school and museum are community buildings; a cloud is a weather feature in the sky.

12 questions · Seed 44 · Age guidance, not curriculum certification