In 7th grade math, we’re working on area. Â We’ve gone through all of the basic formulas with careful attention to how they are related to one another — the triangle being half of a rectangle, the trapezoid being a combination
Area of Mixed Polygons
Units vs. Square Units (vs. Cubic Units)
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