Cambridge IGCSE PhysicsA2 Mathematical requirements Checklist
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What's on this checklist
Number
- I can add, subtract, multiply and divide.
- I can use decimals, fractions, percentages, ratios and reciprocals.
- I can convert between decimals, fractions and percentages.
- I understand and can use the symbols =, < and >.
- I understand what sum, difference and product mean.
- I can use standard form (scientific notation).
- I understand that only the final answer of a calculation should be rounded.
- I can use decimal places and significant figures appropriately.
- I can make approximations and estimates to get reasonable answers.
- I can write numerical answers as decimals, or as percentages where appropriate.
Algebra
- I can use positive, whole-number indices in algebraic expressions.
- I can substitute values of quantities into equations, using consistent units.
- I can solve simple algebraic equations for any one term when the other terms are known.
- I can recognise and use direct proportion and inverse proportion.
- I can set up simple algebraic equations as mathematical models of physical situations, and to represent information given in words.
- I can use ∆ (delta) in algebraic expressions and equations to stand for a change in a variable.
Geometry and trigonometry
- I understand the meaning of angle, curve, circle, radius, diameter, circumference, square, parallelogram, rectangle and diagonal.
- I can recall and use the equation for the circumference of a circle.
- I can recall and use the equations for the area of a rectangle, the area of a triangle and the area of a circle.
- I can recall and use the equations for the volume of a rectangular block and the volume of a cylinder.
- I can use scale diagrams.
- I can apply Pythagoras' theorem to calculate a side of a right-angled triangle.
- I understand that a right angle is 90° and that the angles on a straight line add up to 180°.
- I can use trigonometric functions (sine, cosine, tangent and their inverses). Extended candidates only.
- I can use mathematical instruments (ruler, compasses, protractor, set square).
- I can recognise and use the points of the compass (N, S, E, W), and clockwise and anticlockwise directions.
- I can convert between metric units, for example cm³ and m³, or mg, g and kg.
Graphs, charts and statistics
- I can draw graphs and charts from data.
- I can interpret graphs and charts, including interpolating and extrapolating data.
- I can find the gradient (slope) of a line on a graph; finding it by drawing a tangent to a curve is for Extended candidates only.
- I can find the intercept of a line on a graph, extending the line (extrapolating) where appropriate.
- I can choose suitable scales and axes for graphs.
- I understand that y = mx + c represents a linear relationship.
- I can recognise direct proportionality from a graph.
- I can calculate and use the average (mean) of a set of data.