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To work out the area of a circle we need the radius, which is the distance from the centre of the circle to the edge of the circle. Using diameter instead of radius for a circle.You need to make sure you are calculating the correct measurement required for each question.Īll measurements must be in the same units before calculating an area or surface area.įor example, you can’t have some measurements in cm and some in m. Three dimensional figures have a surface area and a volume. Two dimensional shapes have a perimeter and an area. Using the incorrect unit of area or not including unitsĪrea calculations are measured in square units.įor example, square millimetres, square centimetres, square metres, square kilometres, square inches, square feet, square yards, square miles etc. Free online GCSE video tutorials, notes, exam style questions, worksheets, answers for all topics in Foundation and Higher GCSE. The cards are differentiated: yellow, different shapes but straightforward, purple: similar to the PP, blue: very exam question based. There are several different formulae for the different shapes – make sure you use the correct one. Help your students become more familiar with methods of calculating areas and perimeters with this Area and Perimeter Worksheet Pack.These Year 7-8 Maths worksheet PDFs asks students to calculate the area and perimeter of a range of different simple and complex 2D shapes, including circles, trapeziums, parallelograms, and triangles.These PDF worksheets would be ideal for handing out to your. The cards were used well and I wrote the answers on the back of each but no workings out.
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