Math Planet
Math Planet: Learn How to Estimate Calculations
Gain an understanding of how to estimate calculations by viewing examples and a video lesson.
Khan Academy
Khan Academy: Associative Property of Multiplication
Practice changing the grouping of factors in multiplication problems and see how it affects the product. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Math Planet
Math Planet: Integers and Rational Numbers
Gain an understanding of integers and rational numbers by viewing an example and a video lesson.
Math Planet
Math Planet: Geometric Sequences of Numbers
Gain an understanding of the geometric sequences of numbers by viewing an example and a video lesson.