## Equivalent Expressions - Area and Perimeter lesson

- 4.84 reviews

Forming expressions for area and perimeter and simplifying to show equivalence. There is a great deal of scope for differentiation here, with two activities which take the idea further (The last one is not my own, but from a resource called 'Materials to Support able mathematicians in KS3&') Includes application of trigonometry ratios in finding the general rule for areas of regular polygons.

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- Created
- Oct 17, 2010
- Updated
- Jan 22, 2015
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- CC-BY-SA

#### This resource is available to UK teachers.

View US version## Related resources

This is a complete lesson on ‘Equivalent Expressions’ that is suitable for Middle School students.<br />
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The pack contains a full lesson plan, along with accompanying resources, including a student worksheet and suggested support and extension activities. <br />

#### Simplifying Expressions using Area and Perimeter

I don't think I made this one myself, but found it and think its pretty good. Links the geometric concepts of area and perimeter with simplifying algebraic expressions. <br />
Students must create expressions for each of the given rectangles. Could be extended by giving values for the area and perimeter and getting pupils to form and solve equations.

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#### Area and Perimeter lesson

This is a lesson I taught on area and perimeter for an observation. It was for a Y5/6 middle ability class. The lesson was graded outstanding, but more importantly, the kids loved it. It was linked to our topic, zoos, but could easily be done in isolation. Has an easier activity for LA and then cards for HA. Also has some challenge cards. I hope it helps someone.

By katemccarter

- (0)
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#### Area and perimeter of rectangles lesson

Lesson on area and perimeter of rectangles. 10 quick questions on area and perimeter to test prior knowledge then three differentiated worksheets from finding missing sides up to using algebra with area and perimeter.

By sophiemccoy

- (0)
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Starters include:<br />
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Expanding Brackets (Quadratic)<br />
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Similar Shapes<br />
Speed Distance Time<br />
Basic arithmetic (- +-x÷ from single digits to 2 and 3 digit calculations)<br />
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Rounding Off (10, 100, 1000, 1, 1dp, 2dp, 3dp, 1sig fig, 2sig fig, 3sig, fig)<br />
Calculating with Upper and Lower Bounds<br />
Decimal Written Calculations<br />
Estimation<br />
Deriving Multiplication Facts<br />
Best Value<br />
Exchange Rates<br />
Equivalent Fractions<br />
Cancelling Fractions Down (simplest terms)<br />
Fraction to Decimal Conversions<br />
Adding / Subtracting Fractions (same denominators)<br />
Adding / Subtracting Fractions (different denominators)<br />
Multiplying Fractions<br />
Dividing Fractions<br />
Fraction of Amounts (Calc and non-calc)<br />
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