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...
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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
Family Activity - Color by Numbers: Fractions, Decimals, and Percents
Learners solve four short answer problems. They determine the number of each color of candy or paper clip in a bag, and calculate the fractional, decimal, and percentage representation of the color compared to the total number of items.
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The Merry Go Round
In this math worksheet, students find the prime factors of the problems. Then they fill the letters of the answers into the graphic organizer.
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Eratosthenes Sieve¦
In this math worksheet, students 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.
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Number theory and fractions word search
In this number theory and fractions worksheet, learners search for words representing number theory and fractions in a word search. Students search for 15 words.