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Go the Distance
Students work together to build lego cars. They make predictions about how fast they believe the cars will go. They record their observations and discuss their results.
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Proving Slope Criteria for Parallel & Perpendicular Lines
This instructional activity launches with learners graphing the fourth vertex of a given rectangle, and finding the length and slope of one of its sides; and ends with learners writing a summary sheet for parallel and perpendicular...
7th - 11th Math CCSS: Designed
New Review The Distance Between Two Rational Numbers
There has to be a better way than counting. Pupils find the distance on a number line between rational numbers by counting. Through a discussion, the class sees the connection between absolute value and the distance between two points....
7th Math CCSS: Designed
Congruence, Construction, and Proof
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This unit...
9th - 12th Math CCSS: Designed
New Review Distance Between Two Points
How does the Pythagorean Theorem become the distance formula? The video instructor begins by explaining the application of the distance formula. She then shows graphically how the distance formula is just an extension of the Pythagorean...
7 mins 9th - 12th Math CCSS: Adaptable