3-5, 6-8
To
find the area of a triangle, try to make a
parallelogram using a copy of the triangle.
3-5, 6-8
When the nine justices of the Supreme Court meet, they greet one another
with a handshake to show harmony of purpose, even though their views
may differ. How many handshakes occur? In general, how many handshakes
occur when there are n people?
6-8, 9-12
Using an Elevator to Evaluate Signed Number Expressions
Using the idea of an elevator moving up and down, students will be given a small set of rules to add and subtract signed integers. The idea behind the method of adding and subtracting signed integers offered in these lesson is that the number of rules that s
3-5, 6-8
The objective of this lesson is to use combinations to solve KenKen puzzles. An early solution strategy is for students to guess and check and use logic-based elimination. This lesson builds on those strategies by having students systematically list all possible combinations within each cage, the darkly outlined sections of the puzzle.
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.
6-8
This lesson is based on the MTLT article, “ Is the Last Banana Game Fair?” by Patrick Sullivan. The lesson engages students in simulations to calculate experimental probabilities and confirm those results by examining theoretical probabilities.
