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Integers, Rational Numbers and Real Numbers

Chapter 2 Study Notes

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Section 1 of 8

Learning Outcomes

Understand negative numbers and their real-world applications
Order and compare integers, fractions and decimals on a number line
Perform addition and subtraction of integers
Perform multiplication and division of integers
Apply BODMAS to evaluate expressions with multiple operations
Perform operations on fractions and decimals involving negatives
Classify numbers as rational or irrational

Contents▾

Why Negative Numbers Matter 2.1Negative Numbers and Ordering 2.2Addition and Subtraction of Integers 2.3Multiplication and Division of Integers 2.4Combined Operations (BODMAS)2.5Operations on Fractions and Decimals with Negatives 2.6Rational and Irrational Numbers Chapter Summary

Why Negative Numbers Matter

Antarctica drops to $-80\,^{\circ}\text{C}$ in winter. The Dead Sea sits at $-430$ m, 430 metres below sea level. Both need numbers below zero.

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Questions on Integers, Rational Numbers and Real Numbers, marked as you go, with the working shown.

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