African Mende Addition
Students are introduced to a method of addition used by the Mende people of West Africa. The method uses counting and expansion to build toward the idea of addition. They complete addition problems.
6th - 12th Math 3 Views 6 Downloads
New Review Geometry: Transformations, Congruence, and Similarity
Rigid motions are to congruence as what are to similarity? Investigate properties of rigid motions and define congruence in terms of rigid motions with the ninth chapter of a 10-part eighth grade workbook series. The lesson then prompts...
7th - 10th Math CCSS: Designed
Using Algebra Tiles to Explore Distributive Property
Math is fun with algebra tiles! Young mathematicians explore eight expressions involving the distributive property and use algebra tiles to expand simple expressions. The resource is perfect for both guided and independent practice.
7th - 9th Math
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
3rd - 6th Math CCSS: Adaptable
Multiplying Binomials Using the Distributive Property
Where many multiplying binomial lessons introduce the tool of FOIL and move on, this video presentation really delves into the how's and why's of the distributive property. Careful treatment of distribution and explicitly written out...
4 mins 8th - 11th Math CCSS: Designed