EduNinja

EduNinja

1. Number

C1.1 Types of number

C1.3 Powers and roots

C1.4 Fractions, decimals and percentages

C1.6 The four operations

C1.8 Standard form

C1.9 Estimation

C1.10 Limits of accuracy

C1.11 Ratio and proportion

C1.13 Percentages

C1.14 Using a calculator

2. Algebra and graphs

C2.1 Introduction to algebra

C2.2 Algebraic manipulation

C2.4 Indices II

C2.6 Inequalities

C2.9 Graphs in practical situations

C2.10 Graphs of functions

C2.11 Sketching curves

3. Coordinate geometry

C3.1 Coordinates

C3.2 Drawing linear graphs

C3.3 Gradient of linear graphs

C3.5 Equations of linear graphs

C3.6 Parallel lines

4. Geometry

C4.1 Geometrical terms

C4.2 Geometrical constructions

C4.3 Scale drawings

C4.4 Similarity

C4.7 Circle theorems

5. Mensuration

C5.1 Units of measure

C5.2 Area and perimeter

C5.3 Circles, arcs and sectors

C5.4 Surface area and volume

C5.5 Compound shapes and parts of shapes

6. Topic 6

C6.1 Pythagoras’ theorem

C6.2 Right-angled triangles

7. Transformations and vectors

C7.1 Transformations

8. Probability

C8.1 Introduction to probability

C8.2 Relative and expected frequencies

C8.3 Probability of combined events

9. Statistics

C9.1 Classifying statistical data

C9.2 Interpreting statistical data

C9.3 Averages and range

C9.4 Statistical charts and diagrams

C9.5 Scatter diagrams

IGCSE Mathematics Core C1.9 Estimation Question Bank

C1.9 Estimation

C1.9.1 Round values to a specified degree of accuracy.
C1.9.2 Make estimates for calculations involving numbers, quantities and
C1.9.3 Round answers to a reasonable degree of accuracy in the context of a

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