Curated OER
More Factors and Multiples: Greatest Common Factor
In this greatest common factor worksheet, students answer multiple choice questions about how to find the greatest common factor and actually finding it in problems. Students answer 10 questions total.
Pennsylvania Department of Education
Analyzing Numeric and Geometric Patterns of Paper Pool
Students use concrete and pictorial representation of geometric patterns to extend patterns. In this geometric patterns lesson plan, students identify patterns and extend them.
Curated OER
Square Roots
Young scholars differentiate between perfect roots and rational roots. In this algebra lesson, students perform operation using roots. They add, subtract, multiply and divide rational expressions.
Curated OER
Technology
Third graders play a game on the computer called "Last Array" where they practice their multiplication skills. In this multiplication lesson plan, 3rd graders try to be the last person to place an array on the computer screen.
Curated OER
Number Theory and Fractions Vocabulary
In this fractions vocabulary worksheet, students match a set of 15 number theory and fraction vocabulary words with their definitions. Answers are included on page 2.
Curated OER
What are the Chances: A Game of Chance!
Sixth graders experiment with dice, playing cards, pennies and computer-generated simulations to calculate probability. They use compiled data to make predictions.
Curated OER
Reteach Exponents
In this exponent worksheet, learners review exponents and finding values, then find the values of expressions in exponential form and multiply and divide exponents.
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.
Curated OER
Eratosthenes
Students examine what Eratosthenes is and the history behind him. In this earth lesson students complete a hands on activity to repeat Eratosthenes' experiment.
Curated OER
Belongs, Doesn't Belong
Fifth graders discover the rule used to sort a set of data into two sets, those data that belong according to the rule and those data that don't belong. Students participate in a game to determine the rule. They discuss strategies for...
Curated OER
Finding LCM
In this LCM worksheet, students read several paragraphs on finding LCM in various situations, then solve 25 problems.
Curated OER
Turkey Feathers
Students demonstrate counting skills. In this number sense lesson, students glue numbered feathers onto a turkey pattern in numerical order.
Curated OER
How Does Temperature Change With Respect To Latitude and Longitude?
Students research the concept of predicting the weather. The research focuses on how some weather facts intuitively make sense. Students answer key questions based upon the mathematical concept of covariance.
Curated OER
Simplifying Fractions
In this algebra worksheet, students simplify fractions using common denominators. They solve using addition and subtraction. There are 6 questions with an answer key.
Curated OER
Playing the Vocabulary Game
This wonderful game is a terrific way to reinforce important vocabulary words across the curriculum
Curated OER
PLANETS IN PROPORTION
Students discover scales for both the solar bodies' relative sizes and their distances from the sun. They find equatorial circumference and volumes of their solar bodies. Students apply estimation strategies and proportioanl reasoning to...
Ducksters
Ducksters: Kids Math: Prime Numbers
Math prime numbers for kids to learn about these unique digits.
University of Utah
University of Utah: Prime Numbers
A discussion of Eratosthenes' development of the system of prime numbers. Includes a Java program that demonstrates the sieve.
Other
Help With Fractions: Prime Numbers Chart
Prime and composite numbers are defined on this website. A prime number chart is also included for all prime numbers under 10,000.
Khan Academy
Khan Academy: Identify Prime Numbers
Identify prime numbers less than 100. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
National Council of Teachers of Mathematics
The Math Forum: Prime Numbers
Explains what Prime Numbers are and how to find them. Includes a list of primes under 200 and discusses the Sieve of Eratosthenes. This site has numerous links to other internet sources regarding prime numbers.
Mathigon
Mathigon: Math Foundations: Divisibility and Primes: Prime Numbers
This lesson focuses on prime numbers, numbers that can only be divided by one and itself. It explains the Fundamental Theorem of Arithmetic and the Sieve of Eratosthenes. Includes practice activities.
Mathigon
Mathigon: Math Foundations: Divisibility and Primes: The Distribution of Primes
This lesson focuses on the distribution of large prime numbers. It offers a calculator to check numbers for prime and a calculator that allows you to create prime numbers. It also provides the history of methods find the distribution of...