Topics
Measurement - Area
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CanadaON
Grade 6

Connect triangles and rectangles

Lesson
Practice

Interactive practice questions

Use this diagram of a rectangle to answer the following question.

Which dimension of the rectangle forms the base of the triangle?

Width

A

Length

B
Easy
< 1min

Use the picture to answer the following questions about the area of the rectangle and the triangle.

Easy
1min

Use the picture to answer the following questions about the area of the rectangle and the triangle.

Easy
< 1min

Use the picture to answer the following questions about the area of the rectangle and the triangle.

Medium
< 1min
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Outcomes

6.M2.04

Determine, through investigation using a variety of tools and strategies, the relationship between the area of a rectangle and the areas of parallelograms and triangles, by decomposing (e.g., cutting up a parallelogram into a rectangle and two congruent triangles) and composing (e.g., combining two congruent triangles to form a parallelogram)

6.M2.05

Develop the formulas for the area of a parallelogram (i.e., Area of parallelogram = base x height) and the area of a triangle [i.e., Area of triangle = (base x height) รท 2], using the area relationships among rectangles, parallelograms, and triangles

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