# 2molarHCl's Shop

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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.

#### Solving simultaneous equations by substitution

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This is a higher tier GCSE lesson on solving equations by substitutions. Included are questions and answers and an example of finding the intersection of a line and a circle.

#### 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.

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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.

#### 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 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.).

#### 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.

#### 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.

#### Problem solving with averages

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A lesson on solving problems with averages. It starts with a mini-whiteboard activity to recap averages before moving on to problems involving reverse mean and finding numbers that satisify conditions e.g. mean of 5, mode of 4.

#### Introduction to multipliers

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A lesson used as a simple introduction to using multipliers to find percentages of amounts. It starts with encouraging students to find 1% of an amount first to then find any other percentage, then thinking about what calculations they performed (e.g. divide by 100, multiply by required percentage) before the multiplier is introduced.

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Foundation GCSE lesson on adding and subtracting decimals (Year 10). Includes: Key skills starter PowerPoint presentation covering adding and subtracting decimals Questions and answers with problem solving extension questions available GCSE exam questions and answers covering adding and subtracting decimals in the context of bank statements (i.e. understanding the terms credit, debit and balance)

#### Area and perimeter

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This is a lesson on area and perimeter of simple shapes, aimed at a higher ability Year 7 class. It contains mini-whiteboard activities, worksheets and extension questions for both area and perimeter.

#### Volume of prisms revision

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This is a revision lesson on the volume of prisms. It contains examples that scaffold the student into finding the area of the cross-section first and a worksheet with extension questions.

#### Changing the subject (set of 3 lessons)

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This is a set of three lessons for a higher tier GCSE class on changing the subject. It starts with the simplest examples in the 1st lesson, using the concept of BIDMAS in reverse, before moving on to examples where factorising is required. The 2nd lesson builds on this and introduces fractions with the subject in the denominator. The final lesson acts as a consolidation with a set of relay questions for students to complete in pairs. All lessons have a set of questions and answers included.