Numbers, units and arithmetic
Skip contents

Contents

  • Introduction
  • Learning outcomes
  • 1 The size of numbers
    • 1.1 Whole numbers
      • 1.2.1 Try some yourself
    • 1.2 Using the place value
      • 1.3.1 Try some yourself
    • 1.3 Number lines
    • 1.4 Decimals
      • 1.4.1 Try some yourself
    • 1.5 Decimals and place value
      • Try some yourself
    • 1.6 Fractions
      • 1.6.1 Try some yourself
    • 1.7 Simplest form of a fraction
      • Try some yourself
    • 1.8 Negative numbers
      • Try some yourself
      • 1.9 Negative number notation
      • Try some yourself
  • 2 Units of measurement
    • 2.1 Which units to use
      • 2.1.1 Units in action
      • Try some yourself
    • 2.2 Converting units
      • 2.2.1 Try some yourself
    • 2.3 Measuring mass
    • 2.4 Measuring length
    • 2.5 Measuring capacity
    • 2.6 Comparing measurements
      • Try some yourself
  • 3 Arithmetic
    • 3.1 Arithmetic with whole numbers
      • Try some yourself
    • 3.2 Multiplying and dividing
      • Try some yourself
    • 3.3 Division
      • Try some yourself
    • 3.4 Order of calculations
      • Try some yourself
    • 3.5 Several calculations and using brackets
      • Try some yourself
      • 3.5.1 With or without brackets
      • Try some yourself
    • 3.6 Arithmetic with decimals
      • 3.6.1 Addition and subtraction with decimals
      • Try some yourself
    • 3.7 Multiplying and dividing with decimals
      • Try some yourself
    • 3.8 Order of decimal calculations
      • Try some yourself
    • 3.9 Addition and subtraction with fractions
      • Try some yourself
    • 3.10 More difficult fraction sums
      • Try some yourself
    • 3.11 Multiplication of fractions
      • Try some yourself
    • 3.12 Division by fractions
      • Try some yourself
    • 3.13 More division with fractions
      • Try some yourself
    • 3.14 Mixed numbers
      • Try some yourself
    • 3.15 Arithmetic with negative numbers
      • Addition on the number line
      • Subtraction on the number line
    • 3.16 Addition of negative numbers
      • Try some yourself
    • 3.17 Subtraction of negative numbers
      • Try some yourself
    • 3.18 Practical examples of negative numbers
      • Try some yourself
    • 3.19 Multiplication with negative numbers
    • 3.20 Multiplication rules
      • Try some yourself
    • 3.21 Division rules
      • Try some yourself
  • 4 OpenMark quiz
  • Conclusion
  • Acknowledgements

ou logoCreative Commons non-commercial share alike icon Except for third party materials and otherwise stated in the acknowledgements section, this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence

Please see full copyright statement and terms of use for more details.