Worksheet
Curated OER

Finding Primes-The Sieve of Eratosthenes

For Students 7th - 9th
For this middle school/Algebra I worksheet, students use the sieve of Eratosthenes to determine the prime number less than two hundred.  The one page worksheet contains one problem.  Answer is not provided. 
Worksheet
Spectrum

Grade 5 Standardized Test Prep

For Students 5th Standards
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...