4th Grade - Operations & Algebraic Thinking:

Factors and Multiples


Envision Division Find the factors of a number using visuals
Factor Game Interactive game that exercises your factoring ability. You can play against the computer or against a friend
Factorize Visually explore the concept of factors by creating rectangular arrays and then identifying the factors.
Lure of the Labyrinth Use understanding of factors to solve this logic puzzle
Prime Numbers Video about how to identify prime numbers
Primitive Lightning Cool Art/Math activity idea
Primitives Visual representations of prime and composite numbers and their factors
Pumpkin Multiples Interactive site to practice finding multiples of numbers you choose
Word Problems DataBase Hundreds of self-checking math word problems