Grades:
4th Grade, 5th Grade, 6th Grade
The first part of this lesson reviews the area and perimeter of squares and rectangles using graph paper. Algebraic representations are introduced and students define variables and write equations
Grades:
3rd Grade, 4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade, 9th Grade
Engineers often create small-size models of a new product to test its design. This is especially true with airplanes. Model testing tells engineers how a design responds to different air conditions