Curated OER
Prime Numbers: Eratosthenes' Sieve
By offering a step-by-step explanation of how to identify prime numbers, this presentation would be a terrific way to give learners a visual example of prime numbers. This is a simple, and easy way, for students to understand the "why"...
Soft Schools
Multiplication Table
Use the multiplication table as an aid for young mathematicians who are learning their multiplication facts. Children can explore the concept of multiplication by using the factors in the far left column and the top row to determine a...
Mrs. Glosser's Math Goodies
Number Theory Worksheet 3
A nine-row data table has novice number crunchers fill in columns for the greatest common factor, least common multiple, product of the two, and product of numbers. The pairs of numbers to work with are all single- and double-digit...
Curated OER
Commutative Cubes
In this commutative property instructional activity, students use number cubes to create equations where they demonstrate the commutative property. Students fill in 8 equations to a chart and answer 3 questions.
Curated OER
Introducing the Concept: Exponents and Powers of Ten
Fifth and sixth graders gain information about the powers of ten and exponents. They participate in a teacher demonstration of how using the powers of ten helps learn the place value chart. Pupils create their own place value chart.
K-5 Math Teaching Resources
Multiplication Chart
This is not your run-of-the-mill multiplication chart. Going beyond the standard 12 x 12 limit, this resource includes multiplication facts up through 12 x 20, making it great for supporting children as they continue working toward being...