Calculating missing angle in a triangleQuick View
maths_arichardson

Calculating missing angle in a triangle

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Two examples shown to students: first - how to find the missing angle in a scalene triangle + practice questions with answers second - how to find the missing angle in an isosceles triangle (two different scenarios) + practice questions to solve with answers
Evaluating fractional and negative powersQuick View
maths_arichardson

Evaluating fractional and negative powers

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Fully worked examples on how to evaluate fractional powers and negative powers + both together (negative fractional powers). Lots of questions and model answers. This lesson is for the higher tier classes - some exam questions provided as well.
Area of a circle and missing radius when area is given.Quick View
maths_arichardson

Area of a circle and missing radius when area is given.

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Intrudaction to parts of a circle first. Example on calculating area of a circle when radius is given and one with diameter given. Different questions and answers. Worked example to calculate the radius when area is given + questions and answers. Plenary to finish the lesson.
Index Laws and negative powersQuick View
maths_arichardson

Index Laws and negative powers

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Examples on index laws, combined indices and negative powers. Lots of questions and answers. Great lesson for practicing index laws and evaluaiting the answers for negative powers.
Estimating answers by rounding to 1sf firstQuick View
maths_arichardson

Estimating answers by rounding to 1sf first

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Examples on how to round whole numbers and decimals to 1 significant figure. Questions and answers on rounding to 1sf. Examples on estimating by rounding to 1sf. Deciding about underestimate and overestimate. Questions and answers on estimating the calculations.
Area of compound shapesQuick View
maths_arichardson

Area of compound shapes

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Calculating the area of compound shapes. First, finding the missing lengths to allow to find the area of rectangles. Calculating area of compound shapes made out of triangles and rectangles. Different examples provided with full workings. Questions for students and answers (working solutions).