Students learn how to calculate the area and circumference of circles. Later, as learning progresses they find the composite area and perimeter of circular shapes, including sectors.
Circles and Circular Shapes Lessons
Revision & Problem-Solving Lessons
round numbers to a given decimal place and significant figure
calculate arc lengths, angles and areas of sectors of circles
Students need to be equally confident leaving answers in terms of pi as they are with decimals
Students often make rounding errors when approximating solutions. Encourage students to work in terms of pi until the final stage of the question.
Visual and algebraic methods for writing a single column vector.
How to teach working out the reciprocal of integers, fractions, decimals and mixed numbers.
How to teach proving geometrical properties using algebra.