Curated OER
Symmetry of the Addition Table
Help your class discover the commutative property of addition with this exploration of the addition table. By folding and coloring the table, a symmetry is found that directs students to an understanding of this crucial mathematical...
NumberNut
Number Nut: Multiplication: 1 to 10
Demonstrates how to use repeated addition to multiply single-digit numbers, how to recognize number patterns that can help with understanding, as well as how to use a multiplication table for facts that need to be memorized. Includes...