Rectangles, Parallelograms & Triangles
With your kind teacher Mrs. Brenda β€οΈ
Today weβre learning how to find the Area β the amount of space inside a shape! Weβll discover easy formulas for rectangles, parallelograms, and triangles. Area helps us know how much carpet we need, how big a garden is, and much more!
Example: A rug is 8 m long and 5 m wide β Area = 8 Γ 5 = 40 mΒ²
The height is the perpendicular (straight up) distance, not the slanted side!
A triangle is half of a parallelogram with the same base and height.
Question 1 β Rectangle
A bedroom is 6 m long and 4 m wide. What is its area?
Question 2 β Parallelogram
Base = 12 cm, Height = 7 cm. What is the area?
Question 3 β Triangle
Base = 10 m, Height = 8 m. What is the area?
Challenge
A triangular flag has base 1.2 m and height 0.9 m. What is its area?
β’ Buying carpet or flooring for your room
β’ Measuring a hockey rink or soccer field
β’ Planning a school garden
β’ Painting a wall
β’ Calculating how much grass seed you need for the lawn
Wonderful job! You can now calculate the area of rectangles, parallelograms, and triangles.
Try measuring and finding the area of your desk, a book cover, or your bedroom floor!
Love and super proud high-fives,
Mrs. Brenda β€οΈ