3-5, 6-8
To
find the area of a triangle, try to make a
parallelogram using a copy of the triangle.
Pre-K-2, 3-5
Become confident in facts up to 12 x 12 using visual models that stress the conceptual
aspects of multiplication.
6-8, 9-12
Explore relationships between inputs and outputs by manipulating interactive double number lines.
This interactive is optimized for your desktop and tablet.
6-8
Explore when an isosceles triangle obtains its maximum area.
6-8
Review and explore the Pythagorean Theorem.
