# C Gutierrez's Shop

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#### Tessellation Lesson

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This Interactive Whiteboard resource allows students to discuss where they see tessellation in real life, practise some tessellations with regular and irregular shapes (including Escher's Reptiles, and attempting pentagons - which won&'t work), and design their own simple tessellation pattern. It includes a possible plenary inviting students to attempt to re-create the tessellation of pentagons and hexagons (as on a football) in 2D, prompting discussion on why this won&';t work.

#### Area of Compound Shapes

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This is an introduction to the area of rectlinear compound shapes by way of a story. A rough idea of the story is that the teacher has bought a lovely new apartment, but the interior decor is horrible, requiring new carpets and floors. The teacher needs to measure the area of each room (starting with rectangles) and buy the right amount of flooring. The task can be extended to two more levels of difficulty.

#### Solving Two- Step Linear Equations

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Simple Worksheet for students beginning to solve equations by balancing. Equations do not have fractions, nor do the answers lead to fractions.

#### Forming and Solving Equations using perimeters

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This is a notebook file and worksheet containing about 8 questions in which pupils must form equations based on the perimeter of the shape and solve them to find the unknown, or find the area of the shape.\n\nThis is particularly useful at students targeting C grades at foundation.

#### Simple Enlargement Starter

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A quick worksheet on enlarging shapes by a scale factor. Useful as a starter for a class to reinforce understanding of integer scale factor before moving onto enlarging from a point.

#### Describing Enlargements (integer, fractional and negative)

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A worksheet for students to practise describing enlargements. Students should find the scale factor and the centre of enlargement for each image (the object is the shaded trapezium. Most are integer SF, but there are a few fractional and a couple of negative SFs (I prefer not to tell the students about this before, but get them to try to work it out themselves). Created because there doesn't seem to be much out there for this topic.

#### GCSE Foundation - Sometimes Isosceles Triangles are upside down

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I can't remember how many times I've come across angles questions involving alternate angles and isosceles triangles in which my students haven't recognised that the isosceles triangles may not be in the orientation they first assume it to be in. This is a very basic resource to use as a starter / short main activity to help with this misconception. Not very flashy, but I hope it's helpful for some.

#### Further Math: Decision 2 Revision Notes

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Revision notes based on the chapters in the Pearson D2 book, with key definitions to remember and common mistakes.

#### Gravity M1

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Some notebook slides to support the teaching of freefall under gravity in M1 Edexcel.

#### Plans and Elevations Lesson

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This is to present the idea of plans and elevations through a story to younger secondary students

#### Bearings Lesson - Lost at Sea!

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This is a lesson to introduce bearings through a story (notes for which are attached). \n\nIt requires a bit of pre-planning, especially if the maps are wanted on A3, in colour and laminated (which is desirable, really)\n\nThe final task is self-differentiating, or can be omitted for lower ability groups

#### Sharing ratio into parts

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See word document for notesd on this story-based lesson

#### Friction - M1

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Some notebook slides to support the teaching of Friction in M1 Edexcel.

#### The Ruler Drop Experiment

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This is a lesson to practise the whole data collection cycle with key stage 3 - now updated in response to query in comments