When teaching basic geometry concepts, such as perimeter and area, you will save yourself quite a bit of grief if you start by making clear the difference between units and square units. Our common abbreviations for these, such as cm
Pythagorean Theorem Follow-Up
Activity for the big kids today: Without using a ruler, determine whether this triangle is equilateral, isosceles, or scalene. Prove it.
Pythagorean Theorem
In over our heads with radicals in 8th grade Algebra this week, so we took some time to review the Pythagorean Theorem. Â Geometry is so beautifully concrete. Â In addition to demonstrations you can do with drawings and such, here’s an