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Chris Barclay's Shop

Average Rating4.40
(based on 91 reviews)

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.
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.
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.
Perimeter to Money Contextual Problems
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Perimeter to Money Contextual Problems

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This lesson teaches students to tackle problems involving measuring a perimeter, calculating the number of items required and the cost of purchasing these items. The lesson includes examples and fully worked solutions for the questions on the worksheet.
Games of Profit and Loss
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Games of Profit and Loss

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This resource is for high ability KS4 students. The resource consists of a lesson presentation and a worksheet. The lesson presentation includes a starter and worked solutions to all questions on the differentiated worksheet. The lesson teaches students to calculate the expected revenue and costs from games of chance such as ‘The Crown and Anchor’. They can then estimate the expected profit or loss.
Scale Drawings with Bearings
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Scale Drawings with Bearings

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This resource is for core and advanced ability KS4 students. The resource consists of a lesson presentation and worksheet. The lesson presentation includes a starter and worked solutions to the questions on the worksheet. The lesson starts by considering scale drawings to be similar shapes whose lengths are measured in different units. The lesson then proceeds on how to construct a scale drawing with angles given as bearings, before considering how to measure and interpret the lengths and angles measured off the diagram. The worksheet starts with two simpler questions, then two questions with accompanying diagrams before finishing with several questions where the student is expected to interpret the text in order to draw the scale diagram. Teachers may wish to limit core ability students to the first four questions, leaving the others as extension. Advanced students will be challenged by the expectation that they translate text into a diagrams.
Solving Circular Linear Equations Graphs
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Solving Circular Linear Equations Graphs

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The resource is for KS4 students. The resource consists of a lesson presentation and a worksheet. The lesson presentation includes a starter and worked solutions to all the questions on the worksheet. Students learn how to solve simultaneous equations where one is linear and the other that of a circle USING GRAPHS. (There is another version using algebra). The worksheet is structured. Students are first given both line and circle, then one or the other and finally neither.
Comparing Prices in Different Currencies
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Comparing Prices in Different Currencies

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The resource is for 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, with an emphasis on whether to multiply or divide by the exchange rate. The lesson then continues to cover problems where one or two prices have to be converted using exchange rates so that all prices can be compared in the same currency.
Geometric Sequences
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Geometric Sequences

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The resource is for advanced KS4 students. It consists of a lesson presentation and a worksheet. The presentation includes a starter and worked solutions to the contextual questions on the worksheet. The lesson starts by explaining the general form for the position-to-term rule for a geometric sequence. Students then learn (i) to generate geometric sequences from the rule, (ii) to find the rule for a geometric sequence and (iii) to find missing terms. There is an exercise for each of these three parts. The final part of the lesson consists of an example and five contextual questions for the students to do, all involving geometric sequences.
Finding Turning Points
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Finding Turning Points

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The resource is for advanced KS4 students. It consists of a lesson presentation and a worksheet. The lesson presentation includes a starter, the teaching part and worked solutions to all the questions on the worksheet. The starter is revision of completing the square. Students are then taught how to use the completed square to find the coordinates of the turning point for a quadratic whose coefficient of x squared is 1. There are 8 examples for the students to do themselves. There is an extension of 6 questions involving quadratics where the coefficient of the x squared is either more than 1 or negative.
Surds and Shapes
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Surds and Shapes

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The resource is for KS4 students preparing for the Higher paper. The resource assumes that students know how to add and subtract surds, how to multiply and divide surds and how to simplify surds. A worksheet is included and the lesson presentation includes a starter, examples and worked solutions. The new specification GCSE Higher papers feature many questions where two or more topics are combined. This lesson prepares students for questions that combine knowledge of surds with the properties of shapes and using formulae. In the first half of the lesson, students learn how to find and simplify expressions involving surds for the perimeter and area of shapes. In the second half of the lesson, students learn how to find a missing length in surd form from the area or perimeter of the shape and other dimensions. In both cases the questions are structured to start with easier examples and to end with harder examples.
Density of a Mixture of Liquids
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Density of a Mixture of Liquids

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This resource is designed for KS4 students attempting the Higher paper. It consists of a cover slide, a worksheet of 10 questions and a whole lesson including starter, examples and worked solutions to all the questions. The resource aims to equip students to tackle problems involving the mixture of two liquids and requiring students to find the density of the mixture or, if given that quantity, other properties of the mixture or of the constituent parts. The principles that mass and volume are conserved are given and an example is solved. The worksheet is structured: 2 questions where the properties of the parts are given and students have to find the density of the mixture; 2 questions where students have to find a property of a part; 2 questions with unit mismatches; 2 questions involving solids composed of two materials; 2 questions where students are asked to use percentages and ratios.
Probability
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Probability

6 Resources
This bundle consists of 6 resources, all designed to give students sitting the Higher paper a more profound understanding of probability.
Compound Quantities and Units
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Compound Quantities and Units

6 Resources
This bundle consists of 6 resources, all involving compound quantities such as speed, density and rate of flow. All the resources have been designed in response to changes under the new GCSE specification and new types of questions seen in the Higher papers. These changes include questions about two-stage journeys, the mixture of two liquids of different density and unit mismatches including the units for compound quantities.
Advanced Algebra KS4
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Advanced Algebra KS4

14 Resources
The bundle contains 12 resources, 2 of which are free. All are designed to help students taking the Higher paper to complete the harder questions now being asked. The topics covered in the bundle include: solving simultaneous equations where one is circular or quadratic; the use of graphs to solve simultaneous equations; finding turning points; understanding when to use the gradient of a graph and when the area underneath a graph; algebraic proof.
Equations with Indices
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Equations with Indices

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This resource consists of a short lesson plus two full lessons. Between the three lessons, all the types of harder questions involving indices are covered. For each lesson, there is a presentation and worksheet. The presentations include starters, examples and worked solutions to the questions on the worksheets. ‘Writing number as power of another’ covers two types of questions: (a) writing one number as a power of another and (b) finding the base which when raised to a given index equals a given value. ‘Solving Equations by Equating Indices’ looks at questions where the unknown is part of the indices. The lesson is structured to cover (a) equations where all the bases arrre the same, (b) the bases are all integer powers of one of them and © where the bases are not integer powers of any of them. ‘Simultaneous Equations with Powers’ looks at questions where (a) the two unknowns are in the indices of the two simultaneous equations and (b) the two unknown are the bases.
Combining Two Proportional Relationships
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Combining Two Proportional Relationships

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The resource is for advanced KS4 students. It is assumed that students know how to find the constant of proportionality, though is revised in the starter. The resource consists of a lesson presentation and a worksheet. The lesson presentation includes a starter, two real-life examples of combining proportional relationships and an example of answering a GCSE style question requiring two such relationships to be combined. Worked solutions to the worksheet are also given. The 6 questions on the worksheet become increasingly more difficult.
Shapes with Two Unknowns
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Shapes with Two Unknowns

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The resource is for KS4 students. It consists of a lesson presentation and worksheet. The presentation includes a starter, examples and worked solutions to the questions on the worksheet. The starter revises using perimeter and the sum of angles to form and solve equations to find unknowns. The lesson extends this topic by labeling angles and lengths with expressions with two unknowns. For instance, one pair of opposite sides of a rectangle are both expressions in x allowing the student to find the value of x. The other pair of sides of the rectangle are expressions in x and y, allowing the student to also find y. The worksheet has 10 questions involving both angles and sides and a variety of shapes.
Plotting Linear Graphs
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Plotting Linear Graphs

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The resource is for KS3 students and KS4 students taking the Foundation paper. The resource consists of a lesson presentation and structured worksheet. The lesson presentation includes a starter and worked solutions to the worksheet. Students are led through the process of substituting into an algebraic expression, compiling a table and then taking the coordinates from the table to plot the linear graph. This lesson helps students understand that the (x, y) coordinates of a point are written horizontally but are typically compiled vertically in a table.
Different  Graphs in Real-life Contexts
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Different Graphs in Real-life Contexts

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The lesson is aimed at KS4 students who are wondering what relevance different types of graph have. The learning objective is for students to see that these graphs do have real-life meaning and that this helps them differentiate between the different types of graph.
Plotting Graphs of Ax + By = C
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Plotting Graphs of Ax + By = C

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The lesson is aimed at KS4 students, who can plot a linear graph if expressed in the form y = mx + c, but who are slightly baffled by the graph being expressed in the form Ax + By = C.