# 2molarHCl's Shop

I provide maths lessons and worksheets across various GCSE and A Level topics.

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I provide maths lessons and worksheets across various GCSE and A Level topics.

#### Converting between metric units of area and volume

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A powerpoint and worksheet on converting between metric units of area and volume. The worksheet is scaffolded and allows the students to discover for themselves how to convert between the different units.

#### Problem solving with fractions (mixed operations)

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This is a set of 12 questions involving adding, subtracting, multiplying and dividing fractions. Students need to read the worded problems and decide which operation they need to use. I ran this as a relay and displayed their team names and scores on the second powerpoint; they had 3 attempts at a question before they had to move on.

#### AS Solving quadratic equations

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A powerpoint used to recap solving quadratic equations, by factorising, completing the square and using the quadratic formula. It was used for a C1 lesson but is also relevant for GCSE.

#### AS Change of base formula and exponentials

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A lesson that covers using the change of base formula for logarithms and sketching different exponential functions, with the aim for students to see for themselves the key aspects of the graphs.

#### Surface area (with a wrapping task)

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A lesson on surface area, including a starter on area of 2D shapes, the surface area of cuboids and the surface area of prisms, mainly triangular based. There is a wrapping task that was designed at Christmas time, which involves students working in groups to find out how much wrapping paper is needed and how much it will ost to wrap all of the presents. This could easily be adapted for a birthday or any other celebration.

#### Collecting like terms

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A lesson for low ability students that introduces collecting like terms, first by using language and pictures then moving into the more abstract. There is a differentiated worksheet in the powerpoint, which is followed by using whiteboards to simplify expressions with multiple terms including negatives.

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A complete lesson on factorising quadratics. The starter recaps expanding expressions, before moving on to an explanation of how to factorise quadratics. There is a sequence of questions to be used with mini-whiteboards until students are confident. Included in the powerpoint is a slide with questions that are to be printed and cut out, so students can attempt two questions at a time and check with you in the form of a relay. There are also extension questions and help sheets towards the end of the powerpoint.

#### Sketching quadratic graphs

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A lesson on sketching quadratic graphs by finding the roots and turning points. Included are scaffolded worksheets for breaking down the steps (solving the quadratic, completing the square etc.).

#### AS Equations with indices

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AS Level lesson on solving equations involving indices. Includes examples of raising both sides of an equation to a given power and manipulating numbers to have the same base (e.g. 9 = 3^2, 27 = 3^3).

#### Equation of perpendicular lines

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Lesson covering the equation of a perpendicular line. Starts with students identifying reciprocals of numbers before moving on to finding the equation of a perpendicular line to a given line passing through a given point.

#### AS Tranformations of functions

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An introduction to transforming functions for C1. The worksheet provided has axes for students to draw the transformed functions. The second lesson moves away from using the coordinates and includes an example of an exam question.

#### Equation of a circle

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A lesson on discovering the equation of a circle. Students start by plotting coordinates using a table of values followed by whiteboard questions on identifying the radius given an equation and writing the equation given the radius. After this are a few examples of finding the points of intersection of a line and a circle using simultaneous equations.

#### Worded ratio questions

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This is a complete lesson on ratio, starting with the basics of simplifying ratios, sharing amounts in a ratio, calculating parts of a ratio given the difference between and finishing with a set of problem solving questions with answers provided.

#### Area of shaded regions

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A scaffolded lesson on finding the area of shaded regions, made from combinations of circles and other shapes. The slides can be printed and break down what the students should be thinking and trying to calculate. Also included is a test on the area and circumference of circles and the area and perimeter of sectors.

#### Mixed higher GCSE revision starters (79)

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This is a collection of starters that I used for my second set Year 11s as a way to retain knowledge and revise higher tier GCSE topics. There are 79 slides, each with 4-6 questions featuring a mixture of topics and problem solving exam style questions. Students became used to the routine and their confidence noticeably improved over time doing these every lesson.

#### Foundation GCSE revision starters (107)

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This is a collection of starters that I used for my third set Year 10s as a way to retain knowledge and revise foundation tier GCSE topics. There are 107 slides, each with 4-6 questions featuring a mixture of topics and problem solving exam style questions. Students became used to the routine and their confidence noticeably improved over time doing these every lesson.