Factors & Multiples

Try the sieve of Eratosthenes in your classroom! Sure, it’s a powerful prime number activity, but it also helps kids conceptualize patterns of multiples. This lesson is short but mighty.…

Teaching factors is so underrated! When kids understand relationships between factors and multiples, patterns of mathematics unfold before their eyes. Let’s talk about how to tackle Common Core State Standard 4.OA.B.4: Find all…