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Finding the area of parallelograms
Students find the area of a parallelogram by moving a triangular section. The area of a shape doesn’t change if you rearrange the shape to make it into a different shape without increasing or decreasing the size of the shape.
Additional details |
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| Year level(s) | Year 7 |
|---|---|
| Audience | Teacher |
| Purpose | Assessment task |
| Format | Web page |
| Teaching strategies and pedagogical approaches | Feedback |
| Keywords | Lesson, Worksheet |
Curriculum alignment |
|
| Strand and focus | Measurement |
| Topics | Area, volume and surface area |
| AC: Mathematics (V9.0) content descriptions |
AC9M7M01
Solve problems involving the area of triangles and parallelograms using established formulas and appropriate units |
| Numeracy progression |
Understanding geometric properties (P6)
Understanding units of measurement (P9) |
Copyright details |
|
| Organisation | BetterLesson |
| Copyright | © Carla Seeger. Creative Commons BY-NC 4.0. |
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Teacher guide: Year 6 area and perimeter
A guide for teaching Year 6 and Year 7 students about area and perimeter.
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Applying the formula to find the area of parallelograms
Students find the area of a rectangle by multiplying the length by the width, and find the area of a parallelogram by multiplying the base by the height.
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Mathematics Year 7 work sample portfolio – ACARA
Refer to Work sample 8: measurement investigation, to assess students’ knowledge and understanding of area and perimeter.
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Changing areas and changing volumes
This activity challenges students to arrange different cubes and cuboids in a grid.
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