IBO Syllabus Topic 1 - Number and Algebra 1.1 : Natural numbers; integers; rational numbers; and real numbers. 1.2: Approximation: decimal places, significant figures. Percentage errors. Estimation. 1.3: Expressing numbers in the standard form. Operations with numbers in this form. 1.4: SI (Système International) and other basic units of measurement: for example, kilogram (kg), metre (m), second (s), litre (l), metre per second (m s –1 ), Celsius scale. Textbook Reference 1.1 The number sets p3-11 - Natural numbers - The set of Integers - The set of rational numbers - The set of real numbers 1.2 Approximations and error p11-21 - Rounding numbers to the nearest unit, 10, 100, 1000 etc - Rounding numbers to a given number of decimal places (dp) - Rounding numbers to a given number of significant figures (sf) - Estimation - Percentage errors 1.3 Standard Form p22-25 - Calculations with numbers expressed in standard form 1.4 SI units of measurement p25-34 - SI units of measurement - SI prefixes - Area and Volume SI units - Non-SI units accepts in the SI - Temperature Review exercises p34-37: All questions | IBO Formula Booklet  |
