4th Grade Sieve Of Eratosthenes Quizzes, Questions & Answers

Can you outsmart the sieve and find the hidden primes before it does? In this quiz, you’ll explore the Sieve of Eratosthenes, a clever method that crosses out multiples to reveal primes hiding in the number grid. Take this...

Step into prime hunting with a simple, clever idea. This quiz walks you through the Sieve of Eratosthenes and shows how crossing out multiples brings the prime numbers into view. It’s an easy way to see how this old...

 Think you can predict which numbers will survive the sieve? In this quiz, you’ll uncover patterns in prime numbers—seeing which ones stay, which ones vanish, and how primes pop up in different ranges. By the...

Ready to test how well you can spot primes across different number ranges? This quiz lets you explore how various sieving methods work and why some uncover primes faster than others. You’ll compare techniques, see how...