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Grade 5 - Mathematics
1.11 Prime and Composite Numbers

  1. Read the questions carefully.
  2. Identify if the numbers are composite or prime.
  3. A number that is greater than 1 and divisible by 1 and itself is a prime number.
  4. Numbers other than prime numbers are composite numbers.

Directions: Identify if the number in each question is a prime or a composite number. Also write at least 10 examples of prime and composite numbers of your own.
Q 1: 1
composite
neither
prime

Q 2: 20
composite
prime
neither

Q 3: 11
prime
composite
neither

Q 4: 33
composite
neither
prime

Q 5: 7
composite
prime
neither

Q 6: 14
composite
neither
prime

Q 7: 21
neither
prime
composite

Q 8: 49
composite
neither
prime

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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