Curated OER
Eratosthenes Sieve¦
In this math worksheet, learners find the prime numbers through going through the factors in sequential order. The answers are used to create the words at the bottom of the page.
Curated OER
Prime and Composite Numbers with use of manipulatives (Elementary, Mathematics)
Students learn what prime and composite numbers are. They learn how to identify them by working in a group and demonstrating an understanding of one work problem with 100% accuracy using the manipulatives provided.
Curated OER
Math: Am I Prime?
Seventh graders determine the difference between prime and composite numbers. On a Website, they discover a method to identify all the prime numbers up to 100 and also complete several online activities. Once they have discussed the...
Curated OER
Number theory and fractions word search
In this number theory and fractions worksheet, students search for words representing number theory and fractions in a word search. Students search for 15 words.