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Table of Contents
Meet the author
Acknowledgements
Introduction
Reasons to be cheerful about mathematics: Is this book really for me? Can I succeed now if I failed at school? Hasn't maths changed since I was at school? Will it help to use a calculator? Can I help my child?
2. The magic number machine: Numbers, numbers everywhere; Saying hello to your calculator; Introducing the counting numbers; The calculator constant; Tens and units; Hundreds, thousands and beyond; Children and numbers; Answers to exercises for Chapter 2
3. Calculating with numbers: Properties of numbers; Adding; Subtracting; Multiplying; Dividing; Knowing what sum to do; Answers to exercises for Chapter 3
4. Fractions: Facing up to fractions; What is a fraction? How to picture a fraction; Fitting fractions into the number line; What are equivalent fractions? Adding and subtracting fractions; Multiplying and dividing fractions; Ratio and proportion; Answers to exercises for Chapter 4
5. Decimals: Decimal fractions; What is the point of the decimal point? Using the four rules with decimals; Dividing fractions; An overview of decimals; Answers to exercises for Chapter 5
6. Percentages: What is a percentage? Changing a fraction to a percentage; Why bother with percentages? Calculating percentage increases and reductions; Persistent problems with percentages; Answers to exercises for Chapter 6
7. Measuring: What do we measure? Why do we measure? How do we measure? How accurately should we measure? Imperial and metric units' Answers to exercises for Chapter 7
8. Statistical graphs: Barcharts and piecharts; Scattergraphs and line graphs; Misleading graphs; Answers to exercises for Chapter 8
9. Using a formula: Is algebra abstract and irrelevant? Algebra as shorthand; Calculating with formulas; Proving with algebra; Answers to exercises for Chapter 9
10. Puzzles, games and diversions: 1. Bus number game; 2. Pub cricket; 3. Guess my number; 4. Finger tables; 5. The story of 12; 6. Magic squares; 7. Magic triangle; 8. Upside down; 9. Logically speaking; 10. The bells, the bells! 11. Calculator inversions; 12. Four 4s; 13. Return journey; 14. Find the numbers; 15. Explore and explain the pattern; 16. 1089 and all that; 17. Large and small sums; 18. Gold pieces; 19. Initially speaking; 20. Guess the number; 21. Nim; 22. Calculator snooker; 23. Place Invaders; Answers for Chapter 10
11. Spreadsheets: An overview of a spreadsheet; Why bother using a spreadsheet? Using a spreadsheet; Number sequences on a spreadsheet; Percentages on a spreadsheet; What else will a spreadsheet do? Answers to exercises for Chapter 11
Diagnostic quiz: Quiz; Solutions to the quiz; Detailed comments on the solutions
Appendixes: Appendix A: Calculating a best buy; Appendix B: Reading the 24-hour clock; Appendix C: Bus and railway timetables; Appendix D: Checking the supermarket bill; Appendix E: Understanding a shop receipt; Appendix F: Checking the VAT; Appendix G: Cooking with figures; Appendix H: Buying a TV set; Appendix I: Will it fit? Appendix J: Measures of alcohol; Appendix K: Understanding barcodes; Appendix L: Junk mail and free offers; Appendix M: Winning on the National Lottery; Appendix N: Safe travel
Taking it further.
Acknowledgements
Introduction
Reasons to be cheerful about mathematics: Is this book really for me? Can I succeed now if I failed at school? Hasn't maths changed since I was at school? Will it help to use a calculator? Can I help my child?
2. The magic number machine: Numbers, numbers everywhere; Saying hello to your calculator; Introducing the counting numbers; The calculator constant; Tens and units; Hundreds, thousands and beyond; Children and numbers; Answers to exercises for Chapter 2
3. Calculating with numbers: Properties of numbers; Adding; Subtracting; Multiplying; Dividing; Knowing what sum to do; Answers to exercises for Chapter 3
4. Fractions: Facing up to fractions; What is a fraction? How to picture a fraction; Fitting fractions into the number line; What are equivalent fractions? Adding and subtracting fractions; Multiplying and dividing fractions; Ratio and proportion; Answers to exercises for Chapter 4
5. Decimals: Decimal fractions; What is the point of the decimal point? Using the four rules with decimals; Dividing fractions; An overview of decimals; Answers to exercises for Chapter 5
6. Percentages: What is a percentage? Changing a fraction to a percentage; Why bother with percentages? Calculating percentage increases and reductions; Persistent problems with percentages; Answers to exercises for Chapter 6
7. Measuring: What do we measure? Why do we measure? How do we measure? How accurately should we measure? Imperial and metric units' Answers to exercises for Chapter 7
8. Statistical graphs: Barcharts and piecharts; Scattergraphs and line graphs; Misleading graphs; Answers to exercises for Chapter 8
9. Using a formula: Is algebra abstract and irrelevant? Algebra as shorthand; Calculating with formulas; Proving with algebra; Answers to exercises for Chapter 9
10. Puzzles, games and diversions: 1. Bus number game; 2. Pub cricket; 3. Guess my number; 4. Finger tables; 5. The story of 12; 6. Magic squares; 7. Magic triangle; 8. Upside down; 9. Logically speaking; 10. The bells, the bells! 11. Calculator inversions; 12. Four 4s; 13. Return journey; 14. Find the numbers; 15. Explore and explain the pattern; 16. 1089 and all that; 17. Large and small sums; 18. Gold pieces; 19. Initially speaking; 20. Guess the number; 21. Nim; 22. Calculator snooker; 23. Place Invaders; Answers for Chapter 10
11. Spreadsheets: An overview of a spreadsheet; Why bother using a spreadsheet? Using a spreadsheet; Number sequences on a spreadsheet; Percentages on a spreadsheet; What else will a spreadsheet do? Answers to exercises for Chapter 11
Diagnostic quiz: Quiz; Solutions to the quiz; Detailed comments on the solutions
Appendixes: Appendix A: Calculating a best buy; Appendix B: Reading the 24-hour clock; Appendix C: Bus and railway timetables; Appendix D: Checking the supermarket bill; Appendix E: Understanding a shop receipt; Appendix F: Checking the VAT; Appendix G: Cooking with figures; Appendix H: Buying a TV set; Appendix I: Will it fit? Appendix J: Measures of alcohol; Appendix K: Understanding barcodes; Appendix L: Junk mail and free offers; Appendix M: Winning on the National Lottery; Appendix N: Safe travel
Taking it further.