SME
Grade 8 Math
Pythagorean theorem and distance between points
The main lesson, then each kind of problem it solves.
Pythagorean theorem and distance between points
Main lesson
Distance between two points
Use this for “Find the distance between (−9, −12) and (0, 0)” or “How long is the segment on the grid?”
A diagonal through a box
Use this for “Will a 30 cm umbrella fit flat in a 20 cm by 15 cm by 18 cm box, corner to corner?”
Is it a right triangle?
Use this for “Which of these could be the sides of a right triangle?” with the converse of the Pythagorean theorem.