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Number

Number theory and basic arithmetic

1
Number Foundations
0580 §1.1–1.6, 1.14
55
questions
Types of number
C1.1/E1.1
Easy (14) Medium (2) Hard (1)
Sets
C1.2/E1.2
Easy (6) Medium (6) Hard (6)
Powers and roots
C1.3/E1.3
Medium (1) Hard (2)
Ordering
C1.5/E1.5
Easy (3) Medium (1)
The four operations
C1.6/E1.6
Easy (1) Medium (6) Hard (1)
Using a calculator
C1.14/E1.14
Easy (2) Medium (2) Hard (1)
2
Fractions, Decimals and Percentages
0580 §1.4, 1.13
31
questions
Fractions, decimals and percentages
C1.4/E1.4
Easy (7) Medium (3) Hard (2)
Percentages
C1.13/E1.13
Easy (10) Medium (7) Hard (2)
3
Indices, Standard Form and Surds
0580 §1.7, 1.8, 1.18
19
questions
Indices I
C1.7/E1.7
Easy (2) Medium (2)
Standard form
C1.8/E1.8
Easy (3) Medium (1) Hard (2)
Surds EXTENDED
E1.18
Easy (6) Medium (1) Hard (2)
4
Ratio, Proportion and Rates
0580 §1.11, 1.12
22
questions
Ratio and proportion
C1.11/E1.11
Easy (7) Medium (2) Hard (3)
Rates
C1.12/E1.12
Easy (2) Medium (4) Hard (4)
5
Estimation and Accuracy
0580 §1.9, 1.10
11
questions
Estimation
C1.9/E1.9
Medium (2) Hard (1)
Limits of accuracy
C1.10/E1.10
Easy (2) Medium (3) Hard (3)
6
Money and Finance
0580 §1.15–1.17
22
questions
Time
C1.15/E1.15
Easy (4) Medium (2) Hard (1)
Money
C1.16/E1.16
Easy (4) Medium (2) Hard (1)
Exponential growth and decay
C1.17/E1.17
Easy (2) Medium (4) Hard (2)
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