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Chris Barclay's Shop

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Features of my lesson plans for KS3 and KS4 maths include sub-dividing topics into steps so that students develop one skill at a time, colour coded diagrams and explanations, worked solutions and putting the maths into real-life contexts. I am also focusing on different types of problem-solving questions and on questions where different topics are combined, say shape and algebra, probability and algebra, proportion and area. I welcome feedback and am open to suggestions for new lesson topics.

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Features of my lesson plans for KS3 and KS4 maths include sub-dividing topics into steps so that students develop one skill at a time, colour coded diagrams and explanations, worked solutions and putting the maths into real-life contexts. I am also focusing on different types of problem-solving questions and on questions where different topics are combined, say shape and algebra, probability and algebra, proportion and area. I welcome feedback and am open to suggestions for new lesson topics.
Problems of Area and Algebra (Linear)
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Problems of Area and Algebra (Linear)

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This resource is for KS4 students. The resource consists of a lesson presentation and a worksheet. The lesson presentation includes a starter, examples and worked solutions to the questions on the worksheet. The lesson teaches pupils how to find a linear expression for a composite area, how to form an equation and how to solve the linear equation to find the unknown.
KS4 Algebraic Proof Extension
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KS4 Algebraic Proof Extension

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This resource is for KS4 students and follows on from ‘KS4 Algebraic Proof’. There are two lesson presentations and two accompanying worksheet/handout. In this resource, the idea of algebraic proof is extended to include any two numbers and not just consecutive numbers. This is in the lesson ‘3. Any Two Numbers KS4’ with the accompanying worksheet. Work done in this lesson is then used in ‘4. Sometimes Always Never KS4’ with its accompanying activity.
Area of Triangle Formula
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Area of Triangle Formula

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This resource is for advanced KS4 students. The resource consists of a lesson presentation that includes a starter and worked solutions to the structured questions on the worksheet and that worksheet. The lesson starts by teaching how to label a triangle and to identify whether or not the formula is applicable to finding the area of a particular triangle. The lesson proceeds to using the formula to find areas and then, given the area, to find missing angles. The lesson finishes with more complex problems that require the use of the formula.
Bearings using Sine and Cosine Rule
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Bearings using Sine and Cosine Rule

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This resource is for advanced KS4 students. It consists of a lesson presentation that includes a starter and worked solutions to the questions on the accompanying worksheet. Knowledge of Bearings, Sine Rule and Cosine Rule is assumed. The lesson teaches how to solve problems that require the application of the Sine and Cosine Rules. In particular, the focus is on Bearings problems that require application of one or other of the Rules. There is a problem involving a triangle whose sides are given as algebraic expressions and a problem where the three sides of the triangle are all tangents to a circle.
Best Value with Different Currencies and Units
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Best Value with Different Currencies and Units

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The resource is for core and advanced KS4 students. The resource consists of a lesson presentation and a structured worksheet. The lesson presentation includes a starter and worked solutions to all the questions on the worksheet. The lesson starts with a revision of converting currencies and units. The lesson then explains in detail how to answer a question asking the student to find best value when prices are given in different currencies and different units. The structured worksheet starts with questions that require just one conversion, proceeds to GCSE Higher standard questions requiring two conversions and then to more complex questions where prices are for amounts other than 1 unit (e.g. half a kilo, 430 ml).
Compound Quantities
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Compound Quantities

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This resource is for KS4 students. It consists of a lesson presentation and worksheet. The lesson introduces rate of flow, exchange rate, population density and pressure - all of which are found by dividing one quantity by another. The lesson proceeds onto questions on proportion where the compound quantity is or is assumed to be the same.
Functional Problems with Curved Shapes
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Functional Problems with Curved Shapes

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This lesson is for advanced KS4 students. The resource consists of a lesson presentation and worksheet of 12 questions. The lesson presentation includes a starter and worked solutions to all the questions on the worksheet. The lesson starts with revision of finding the area and circumference of a circle. An example is given showing how to calculate the number of revolutions of the wheels of a bicycle as it travels a specified distance. The worksheet includes a number of similar questions involving wheels and cogs, a question involving a satellite in orbit and a number of questions involving athletics tracks, javelin pit and cricket fields.
Using Sine and Cosine Rules
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Using Sine and Cosine Rules

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The resource is for advanced KS4 students. The ability to use the sine rule, the cosine rule and the formula for the area of triangles is assumed. The lesson focuses on using two or three of these techniques to find missing lengths, angles and areas in problems involving adjoining triangles. The lesson presentation includes a starter and worked solutions to the problems on the worksheet.
Angle between Line and Plane
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Angle between Line and Plane

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This resource is for advanced KS4 students. The resource includes a lesson presentation and accompanying worksheet. The lesson presentation includes a starter and worked solutions to the problems on the worksheet. The lesson starts with a revision of angle of elevation. It proceeds to show how to form a right-angled triangle from a line and a plane and how to use trigonometry to calculate the angle between line and plane.
Converting Compound Units
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Converting Compound Units

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This resource is for KS4 students. It consists of a lesson presentation and worksheet. The lesson presentation includes a starter and worked solutions to all the questions on the worksheet. The lesson starts with revision of converting metric units for area and volume. The first half of the lesson consists of converting a compound quantity from one compound unit to another. There is an exercise of varied questions for students to do. The second half of the lesson looks at calculating the overall compound quantity for two parts, for instance the average speed for a two-stage journey or the density of bronze from the densities of tin and copper. There is again an exercise with a varied selection of questions.
Solving Linear Inequalities (Foundation)
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Solving Linear Inequalities (Foundation)

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This resource is for low ability KS4 students. It consists of a lesson presentation, a worksheet plus two handouts. One handout is a matching exercise for students. (IT NEEDS TO BE CUT UP!) The other handout is a summary of what students can and cannot do when solving linear inequalities. The lesson starts with revision of solving equations. The idea of the solution to an inequality being a range of values is then explained as well as how students can solve inequalities. There is a matching exercise where students re-build solutions that have been cut up before solving two-part inequalities. There are two further parts to the lesson: three-part inequalities and integer solutions. In each case, an example is given before students complete an exercise of questions.
Solving Linear Inequalities
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Solving Linear Inequalities

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This resource is for KS4 students. It consists of a lesson presentation, a worksheet plus two handouts. One handout is a matching exercise for students. (IT NEEDS TO BE CUT UP!) The other handout is a summary of what students can and cannot do when solving linear inequalities. The lesson starts with revision of solving equations. The idea of the solution to an inequality being a range of values is then explained as well as how students can solve inequalities. There is a matching exercise where students re-build solutions that have been cut up before solving two-part inequalities. There are two further parts to the lesson: three-part inequalities and integer solutions. In each case, an example is given before students complete an exercise of questions.
Iterations
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Iterations

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The resource consists of a lesson presentation and a worksheet. The lesson presentation includes a starter and worked solutions to the questions on the worksheet. The starter involves proving that a root lies between two values of x. There is an optional exercise if students require more practice at this. Iteration is then explained and an example given. The worksheet asks students to do three iterations to find solutions to specified degrees of accuracy. Extension involves two iterations that don’t work and identifying the re-arranged equations that are equivalent to the equation to solve.
Properties of Shapes using Algebra
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Properties of Shapes using Algebra

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The resource is for KS4 students. It consists of a lesson presentation and a worksheet. The example and questions involve using the sum of angles for a shape to form an equation, then to solve the angle, to substitute the solution into the expressions for angles and to then draw a conclusion from the angles of the shape.
Sample Spaces
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Sample Spaces

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This resource is for KS4 students. It consists of a lesson presentation and worksheet. The lesson presentation includes a starter and worked solutions to the questions. The starter asks students to number the possible outcomes from two events. The idea of using a table to represent the sample space is then introduced as is the ability to extract probabilities from the table. The first question on the worksheet is structured to lead students through the process. Subsequent questions are unstructured.
Completing the Square II
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Completing the Square II

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This resource is for advanced KS4 students. The resource consists of a lesson presentation and a worksheet. The lesson includes a starter (expanding the square of an algebraic expression where the coefficient of x is not 1), examples and worked solutions to the question son the worksheet. The lesson is in two parts: completing the square when the coefficient of the x squared term is not 1 and using this technique to solve quadratic equations where the coefficient of the x squared term is not 1.
Volume to Money Contextual Problems
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Volume to Money Contextual Problems

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This resource is for all KS4 students and teaches them how to tackle a common GCSE problem solving question. This lesson teaches students to tackle problems involving measuring a volume, calculating the number of items required and the cost of purchasing these items. The resource consists of a lesson presentation and a worksheet. The lesson presentation includes examples and fully worked solutions for the questions on the worksheet. The lesson is structured so that students start with easier two-stage problems involving finding volume and then cost, before tackling the harder three-stage questions.
Adding and Multiplying Probabilities
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Adding and Multiplying Probabilities

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This resource is for KS4 students. It follows on from ‘Listing Outcomes’. It consists of a lesson presentation and a worksheet. The lesson presentation includes a starter, examples and worked solutions to all questions on the worksheet. This lesson teaches KS4 students to list possible outcomes and to learn when to add probabilities and when to multiply the number of probabilities. The first questions on the worksheet are traditional spinner and dice type questions. The later questions are real-life situations.
Hidden Simultaneous Equations
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Hidden Simultaneous Equations

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This resource is for KS4 students, who struggle with algebra. The resource consists of a lesson presentation and a worksheet. The lesson presentation includes a starter and worked solutions to all questions on the worksheet. The lessons teaches students how to solve problems involving two shopping baskets and their costs. The questions are NOT turned into algebraic equations. Instead students are taught how to solve the problems through argument. The lesson is structured, starting with questions where one basket has only one sort of item and ending with questions where both baskets need to be multiplied.
Surface Area to Money Problems
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Surface Area to Money Problems

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This resource is for all KS4 students and teaches them how to tackle a common GCSE problem solving question. This lesson teaches students to tackle problems involving measuring a surface area, calculating the number of items required and the cost of purchasing these items. The resource consists of a lesson presentation and a worksheet. The lesson presentation includes examples and fully worked solutions for the questions on the worksheet. The lesson is structured so that students start with easier two-stage problems involving finding surface area and then cost, before tackling the harder three-stage questions.