Curated OER
Finding Primes-The Sieve of Eratosthenes
In this middle school/Algebra I instructional activity, students use the sieve of Eratosthenes to determine the prime number less than two hundred. The one page instructional activity contains one problem. Answer is not...
Spectrum
Grade 5 Standardized Test Prep
Here you'll find a great sampling of practice standardized test questions organized into four sections: ELA, mathematics, social studies, and science. Help your learners become familiar with the types of multiple-choice questions...