Area and Perimeter

Area and Perimeter

Ages 8–11 · 13 lessons · Math

Learn how to measure shapes using area and perimeter!

This course gives students a gentle introduction to the concepts of area and perimeter, focusing on rectangles.

This course starts by introducing the unit square as a way to measure how big a shape is. It covers several methods for finding area, including counting unit squares, using skip counting, and multiplying length times width. Students will also practice comparing areas of rectangles, as well as finding areas of shapes that can be divided into rectangles.

The second half of the course introduces the idea of perimeter as the distance around the outside of a shape. It covers multiple methods for finding the perimeter of a rectangle, including adding the side lengths and using the perimeter formula.

Students will then get practice differentiating area and perimeter, and looking at shapes with equal areas and different perimeters, or equal perimeters and different areas.

Lessons

  1. Intro to Area (Ages 8–11): Learn how to use area to figure out how much space is inside a shape
  2. Skip Counting Areas (Ages 8–11): Use skip counting to find the areas of rectangles
  3. The Area Formula (Ages 8–11): Discover how the area formula can be used to quickly calculate areas of rectangles
  4. Area Formula Practice (Ages 8–11): Practice using the area formula to find the areas of rectangles
  5. Comparing Areas (Ages 8–11): Compare the areas of pairs of rectangles to see which one is bigger!
  6. Piece-by-Piece Areas (Ages 8–11): Explore areas of different shapes that are made of rectangles
  7. Area Story Problems (Ages 8–11): Practice finding areas with story problems!
  8. Intro to Perimeter (Ages 8–11): Learn how to use perimeter to figure out the distance around the outside of a shape
  9. Perimeters of Rectangles (Ages 8–11): Learn a faster way to find the perimeters of rectangles
  10. Perimeter Story Problems (Ages 8–11): Practice finding perimeters with story problems!
  11. Same Perimeter, Different Area (Ages 8–11): If rectangles have the same perimeter, do they also have the same area?
  12. Same Area, Different Perimeter (Ages 8–11): If rectangles have the same area, do they also have the same perimeter?
  13. Area and Perimeter Story Problems (Ages 8–11): Practice figuring out whether story problems are about area or perimeter!