Raj Bobal

Teaching for over 35 years, in Independent and Grammar Schools.

Private Tutor

Loved resources 11 |
Resources published 19 |
Resources downloaded 12,827

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A short proof of Pythagoras' Theorem using trigonometry with
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KS4 KS5 | Published: *12/09/2016* | From the resource collection(s): Geometry and measure | Pythagoras' theorem | Trigonometry or Pythagoras? | Trigonometry – triangles and diagrams

Help with adding algebraic expressions. For up to GCSE Level.
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KS3 KS4 | Published: *23/10/2018* | From the resource collection(s): Algebra | Number | Addition and subtraction

Various Formulae for parts of a circle. Suitable for early KS5
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KS5 | Published: *09/07/2018* | From the resource collection(s): Geometry and measure | Area and circumference | Circles | Radians

A summary of the formulae for Arithmetic and Geometric Progressions.
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Basic arithmetic questions for KS3. Useful for some mixed practice.
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KS3 | Published: *03/04/2018* | From the resource collection(s): Number | Transition | Addition and subtraction | Fractions/decimals/percentages | Multiplication and division | Number work

A step-by-step method for finding Stationary Points. Useful for
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KS5 | Published: *09/07/2018* | From the resource collection(s): Calculus | Differentiation | Sketching curves

A clear description of how to find the median and quartiles of
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KS4 | Published: *31/08/2016* | From the resource collection(s): Statistics | Averages and spread – mean, median, mode and range

A summary of the formulae for length of an arc, area of a sector
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KS5 | Published: *09/10/2017* | From the resource collection(s): Geometry and measure | Area and circumference | Circles | Radians

This sheet shows how to use the Ran# and the RanInt buttons on
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A useful resource sheet on transformations of graphs. suitable
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KS4 KS5 | Published: *20/02/2017* | From the resource collection(s): Algebra | Geometry and measure | Transformations of functions

Some basic rules for manipulating fractions. Suitable for lower
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KS3 | Published: *21/11/2016* | From the resource collection(s): Number | Transition | Fractions – equivalent, mixed and improper | Fractions – fraction calculations | Number work

A summary of facts and formulae on arithmetic and geometric series.
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KS5 | Published: *09/10/2017* | From the resource collection(s): Algebra | Sequences – nth term | Series

Some challenging algebraic manipulation problems. Suitable for
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KS4 KS5 | Published: *05/02/2018* | From the resource collection(s): Algebra | Algebraic fractions | Collecting like terms | Expanding brackets | Expanding/factorising single brackets | Factorising polynomials

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