Sieve of Eratosthenes: Lesson for Kids


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question 1 of 3

The number of factors in a prime number is:

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1. What are the factors of 25?

2. Which of the following numbers are prime: {10, 100, 3, 17, 4}?

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About This Quiz & Worksheet

This quiz and its attached worksheet will help you measure what you know about the sieve of Eratosthenes. Answer questions about what this method does and how it is used.

Quiz & Worksheet Goals

In this set of questions you'll assess your understanding of:

  • Factors in a prime number
  • Numbers that are prime
  • Primes less than 30
  • Sieve of Eratosthenes

Skills Practiced

  • Reading awareness - make sure you know the most important information from the lesson, such as the number of factors in each prime number
  • Problem solving - use what you learned to solve prime number factor problems
  • Remembering details - remember what you've learned about what the sieve of Eratosthenes is used to find

Additional Learning

You can learn more about this mathematical subject by reviewing the lesson titled Sieve of Eratosthenes: Lesson for Kids. This will help explain things like:

  • Who Eratosthenes was
  • What sieves are
  • The full method for using the sieve of Eratosthenes