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Prime and Composite Numbers Worksheets

Prime and composite numbers worksheets have a variety pdf exercises to understand recognize prime and composite numbers. Also amusing display charts which list the prime and composite numbers from 1 to 100 and extremely engaging activities like coloring, cutting, pasting and mazes are here for your children in grade 4 through grade 7. Free sample worksheets are included.

Display Charts

The first two printable charts given below show the prime and composite numbers from 1-100. The third one has both prime and composite numbers listed till 100. Ideal for 4th grade and 5th grade children.

  • Chart 1
  • Chart 2
  • Chart 3

Coloring Chart

Pick up your favorite color. Color all the prime numbers in chart 1 and all the composite numbers in chart 2. In chart 3, color all the prime and composite numbers green and yellow.

  • Chart 1
  • Chart 2
  • Chart 3

Coloring Activity: In the Sky

An enjoyable Christmas theme is given here in these worksheets. Color all the prime stars yellow and the composite stars green. These pdf worksheets are tailor-made for children of grade 4 and grade 5.

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  • pdf 2
  • pdf 3

Write Prime or Composite: Themed

Colorful snails, tortoises and crabs carry a prime or a composite number on it. Write whether the number on each of them is prime or composite.

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Write Prime or Composite: Standard

Each printable worksheet has 18 standard questions for practice of 6th grade and 7th grade students. For the given numbers, recognize if they are prime or composite.

  • exercise 1
  • exercise 2
  • exercise 3

Identifying Prime / Composite Numbers

Section A and B have a list of numbers given. Circle all the prime numbers in section A and composite numbers in section B. MCQs in section C.

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Cut-Paste Activity

Carefully cut out the fishes and glue them on the prime and composite fish pots. Try out this activity and rejuvenate the little kittens who are expecting the fishes.

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Identifying Prime or Composite

Each pdf worksheet has 10 questions. List out the factors of the given number and also write if the numbers are prime or composite.

  • pdf 1
  • pdf 2
  • pdf 3

Prime Maze

Boost your mind! Try these interesting mazes on three distinctive themes. Find the path from top to bottom by coloring all the prime numbers with exactly two factors.

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  • worksheet 3

Composite Maze

Figure out the composite numbers: the numbers that have more than two factors; color them all and help the animated characters find their way out of the maze.

  • exercise 1
  • exercise 2
  • exercise 3

Prime or Composite: MCQ

These printable prime and composite number worksheets have MCQs to find the odd prime, even prime, odd composite and even composite numbers. Recommended for grade 5 through grade 7 students.

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  • printable 3