Accuracy

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Accuracy

Number
Number
Interactive Lessons

Making Approximations using Rounding

Students learn how make approximations by rounding numbers to one significant figure.  As learning progresses mo...
Key Stage 3 / Year 8 Term 1
Interactive Lessons
Number
Number
Interactive Lessons

Rounding Numbers to a Significant Figure

Students are introduced to rounding numbers to a significant figure.  Learning progresses from rounding whole nu...
Key Stage 3 / Year 8 Term 1
Interactive Lessons
Number
Number
Interactive Lessons

Rounding to a Decimal Place

Students learn how to round a number to a given decimal place using place value.  As learning progresses they mo...
GCSE / Year 10 Term 3
Interactive Lessons
Number
Number
Interactive Lessons

Rounding to Significant Figures

Students learn how to round a number to a significant figure using number lines and place value.  As learning pr...
GCSE / Year 10 Term 2
Interactive Lessons
Number
Number
Interactive Lessons

Rounding to the Nearest Power of Ten

Students learn how to round any number to the nearest 10, 100 and 1000. As learning progresses students begin to...
GCSE / Year 10 Term 3
Interactive Lessons
Number
Number
Interactive Lessons

Limits of Accuracy

Students learn how to calculate the limits of accuracy of rounded numbers.  As learning progresses they are chal...
GCSE / Year 10 Term 2
Interactive Lessons
Number
Number
Interactive Lessons

Estimating Solutions by Rounding

Students learn how to estimate solutions by rounding numbers to a significant figure.  As learning progresses st...
GCSE / Year 10 Term 2
Interactive Lessons
Number
Number
Free Resources

Calculations with Limits of Accuracy

Students learn how to find the limits of accuracy in calculations using the upper and lower bounds of different ...
GCSE / Year 10 Term 2
Free Resources

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Mr Mathematics Blog

Calculating the Volume of a Pyramid

March 10, 2019
When calculating the volume of a pyramid we can substitute the values of the length, width and perpendicular height into the formula V = 1/3 lwh.  In my experience this is often provided for the students with little explanation as to why a volume of a pyramid is exactly one third the volume of a […]

Solving 3D Problems using Trigonometry

March 4, 2019
When teaching solving 3D problems using trigonometry we begin the lesson with a recap of Pythagoras’ Theorem and the three trigonometric ratios.  We do this by matching the ratio and equations to the respective right-angled triangle.   Students are encouraged to work in pairs and to show the diagrams as part of the working out on […]

Rounding to a significant figure

January 29, 2019
When I teach rounding to a significant figure, I ask the class to discuss in pairs or small groups a definition for the word significant.  It is a word that all the students have heard before but not all are able to define. After 2 or 3 minutes of conversation I ask the students to […]