Curated OER
Preparation and Transition to Two-Column Proofs
Students investigate proofs used to solve geometric problems. In this geometry lesson plan, students read about the history behind early geometry and learn how to write proofs correctly using two columns. The define terminology valuable...
Curated OER
Rules of Sign Change
Students manipulate negative and positive numbers. In this integers lesson, students move through three activities exploring negative and positive whole numbers. A number line, cardboard function representation, and solving expressions...
Curated OER
Commutative Property
First graders investigate the Commutative Property of Addition. It is introduced using models such as students, counters, balances and dominoes. They discover the order of the numbers in an addition sentence does not change the result...
Curated OER
Commutative Property
First graders use various models to learn the Commutative Property of Addition. In this Commutative Property lesson, 1st graders use other students, counters, balances, and dominoes to apply the addition property. Students solve addition...
Other
Dan's Math: Basic Skills Topics
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
Other
Tufts University: Early Algebra, Early Arithmetic
This online resource is from the Tufts University offers lesson plans, worksheets, and ideas about using algebra with elementary grade levels.
Math Planet
Math Planet: Learn How to Estimate Calculations
Gain an understanding of how to estimate calculations by viewing examples and a video lesson.
Math Planet
Math Planet: Scientific Notation
Gain an understanding of scientific notation by viewing examples and a short 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: Calculating With Decimals and Fractions
Gain an understanding of how to calculate with decimals and fractions 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.