# Ceejaypee's Shop

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#### Simplifying Algebraic Fractions

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A straightforward lesson and differentiated or staged worksheet for simplifying algebraic fractions. We start with simple multiplication / division and then through expressions which require factorising. Perfect for Middle ability Y11's, a brighter group might want some further examples of non-monic quadratics as an extension activity

#### Negative Number Challenge

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A number of activities to consolidate rules when working with directed numbers. A good starter activity to use is an addition pyramid starting with some negative numbers As a plenary I ask the students to tell me where they started and why....

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A set of activity sheets and presentation/lesson for KS3 students to cover the properties of quadrilaterals. Explains line / rotational symmetry, and how/why we mark equal angles, equal and parallel sides. The plenary works as a 'mystery' and checks learning of students by getting them to ask questions that distinguish two shapes from each other.

#### Codebreaker - Algebraic Substitution

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Suitable for a lesson activity or homework for a Foundation GCSE or KS3 teaching group. Students find the values, convert to letters and an easy progress check can be made by asking the students what it spells!

#### Revision Sheets - Algebra, Number, Fractions/Decimals

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Three examples of a sheet that I enlarge to A3 to give students general purpose revision on these topics. Most suitable for a lower ability GCSE or any KS3 maths class. The templates can be changed for any topic once youve used them.

#### Factors, Multiples, Primes into Venn Diagrams

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A lesson to remind students how to classify types of number ideal for Ks3 or Ks4 Foundation GCSE. See my Free &quot;Bingo&quot; resource for an ideal starter or plenary depending on the group. The worksheets allows students to do a bit of fun shading, and likewise also introduces Venn Diagrams which have been added into the GCSE curriculum.

#### GCSE Reverse / Compound Percentages Revision

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A revision powerpoint for the two main ways in which percentage understanding tends to be assessed at GCSE - reverse percentages, and repeated percentage change. This could also be split into two lessons if time is not an issue. Two methods of finding reverse percentages are inlcluded, along with an activity to get students thinking about the decimal multiplier effect.

#### Codebreaker Activity - Factors, Multiples, Squares, Primes

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An exercise designed to recap or revise all areas of number work that involves HCF, LCM, Powers, Roots etc suitable for GCSE or KS3 students. I use this as an end of unit assessment and either make A3 sheets to share or individually as a homework. The answers will spell a question that then needs to be answered and can be modelled at the end of the lesson as a plenary. A simple extension task is to ask students to test each other and make their own codes - I have also set this for homework in the past.

#### Terminating and Recurring Decimals - Recurring Decimals to Fractions

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A big value bundle which would form the basis of a 2 or 3 lesson block on this topic. First lesson - why do some decimals terminate and some decimals recur? - getting students to find for themselves through division and investigation that this relates to the prime factors of the denominator. Second / Third lesson - plenty of work / practice including a well graded Mild / Hot / Spicy / Inferno sheet for this tricky topic.

#### Pythagoras Investigation

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An investigative lesson where students can &quot;discover&quot; Pythagoras' theorem. Note - you will need to give each group of students a large number of accurately cut squares eg 6 x 6, 9 x 9 which I have not supplied. With prompting students should be able to establish and generalise not only that when the three squares form a right angled triangle, then when they dont form a right angle what this means with regards to the opposite angle!

#### Evaluating Zero and Negative Powers

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A clear and straightforward Notebook file to explain what these indices represent. Can be used in conjunction with GCSE textbook or suitable worksheet although there are plenty of examples on screen