About Seesaw Sign Up

Teachers, save “Prime Numbers Video” to assign it to your class.

Mary Machatsch

Student Instructions

Prime Numbers Video

Watch the video where it is up to Open up the hundreds chart and cross off all numbers that are not prime! Remember : 1 is not a prime number! keep 2 and cross off its multiples Keep 3 and cross off its multiples Keep 5 and 7 and cross off its multiples! All numbers left over are the prime numbers!

3rd Grade, 5th Grade, 4th Grade, Math
136 teachers like this
Compatible with: Chromebooks, computers, iPads, iPhones, Android tablets, Android phones, Kindle Fire

Students will edit this template: