Speed Math for Kids: The Fast, Fun Way To Do Basic Calculations

SPEED MATH FOR KIDS: THE FAST, FUN WAY TO DO BASIC CALCULATIONS......Page 3
CONTENTS......Page 5
PREFACE......Page 7
INTRODUCTION......Page 9
HOW TO READ THIS BOOK......Page 11
CHAPTER 1: MULTIPLICATION: GETTING STARTED......Page 12
WHAT IS MULTIPLICATION?......Page 13
THE SPEED MATHEMATICS METHOD......Page 14
REFERENCE NUMBERS......Page 21
DOUBLE MULTIPLICATION......Page 26
MULTIPLYING NUMBERS IN THE TEENS......Page 29
SOLVING PROBLEMS IN YOUR HEAD......Page 33
DOUBLE MULTIPLICATION......Page 34
NUMBERS ABOVE AND BELOW......Page 37
CHAPTER 5: CHECKING YOUR ANSWERS......Page 42
SUBSTITUTE NUMBERS......Page 43
MULTIPLICATION BY FACTORS......Page 51
MULTIPLYING NUMBERS BELOW 20......Page 55
MULTIPLYING NUMBERS ABOVE AND BELOW 20......Page 57
USING 50 AS A REFERENCE NUMBER......Page 58
MULTIPLYING HIGHER NUMBERS......Page 62
DOUBLING AND HALVING NUMBERS......Page 65
CHAPTER 7: MULTIPLYING LOWER NUMBERS......Page 67
EXPERIMENTING WITH REFERENCE NUMBERS......Page 72
MULTIPLYING A TWO-DIGIT NUMBER BY 11......Page 77
MULTIPLYING LARGER NUMBERS BY 11......Page 79
MULTIPLYING BY MULTIPLES OF 11......Page 83
CHAPTER 9: MULTIPLYING DECIMALS......Page 85
MULTIPLICATION OF DECIMALS......Page 86
CHAPTER 10: MULTIPLICATION USING TWO REFERENCE NUMBERS......Page 95
EASY MULTIPLICATION BY 9......Page 102
USING FRACTIONS AS MULTIPLES......Page 103
USING FACTORS EXPRESSED AS DIVISION......Page 104
PLAYING WITH TWO REFERENCE NUMBERS......Page 107
USING DECIMAL FRACTIONS AS REFERENCE NUMBERS......Page 110
CHAPTER 11: ADDITION......Page 114
ADDING FROM LEFT TO RIGHT......Page 118
BREAKDOWN OF NUMBERS......Page 119
CHECKING ADDITION BY CASTING OUT NINES......Page 120
CHAPTER 12: SUBTRACTION......Page 124
NUMBERS AROUND 100......Page 127
EASY WRITTEN SUBTRACTION......Page 129
SUBTRACTION FROM A POWER OF 10......Page 132
CHECKING SUBTRACTION BY CASTING OUT NINES......Page 135
CHAPTER 13: SIMPLE DIVISION......Page 138
SIMPLE DIVISION......Page 139
BONUS: SHORTCUT FOR DIVISION BY 9......Page 147
WHAT ARE FACTORS?......Page 149
WORKING WITH DECIMALS......Page 155
CHAPTER 15: STANDARD LONG DIVISION MADE EASY......Page 157
CHAPTER 16: DIRECT LONG DIVISION......Page 165
ESTIMATING ANSWERS......Page 168
REVERSE TECHNIQUE – ROUNDING OFF UPWARD......Page 170
CHANGING TO MULTIPLICATION......Page 174
BONUS: CASTING OUT TWOS, TENS AND FIVES......Page 177
CASTING OUT NINES WITH MINUS SUBSTITUTE NUMBERS......Page 178
WORKING WITH FRACTIONS......Page 181
ADDING FRACTIONS......Page 182
SUBTRACTING FRACTIONS......Page 187
MULTIPLYING FRACTIONS......Page 189
DIVIDING FRACTIONS......Page 191
CHANGING COMMON FRACTIONS TO DECIMALS......Page 192
MULTIPLICATION WITH A DIFFERENCE......Page 193
DIRECT MULTIPLICATION USING NEGATIVE NUMBERS......Page 199
HOW DO I REMEMBER ALL OF THIS?......Page 203
ADVICE FOR GENIUSES......Page 205
AFTERWORD......Page 207
PARENTS......Page 208
CLASSES AND TRAINING PROGRAMS......Page 209
APPENDIX A: USING THE METHODS IN THE CLASSROOM......Page 211
APPENDIX B: WORKING THROUGH A PROBLEM......Page 215
APPENDIX C: LEARN THE 13, 14 AND 15 TIMES TABLES......Page 217
APPENDIX D: TESTS FOR DIVISIBILITY......Page 219
APPENDIX E: KEEPING COUNT......Page 223
NOTE TO PARENTS AND TEACHERS......Page 225
WHAT IS A PERCENTAGE?......Page 227
CALCULATING A QUANTITY AS A PERCENTAGE OF ANOTHER......Page 228
CALCULATING A PERCENTAGE OF A GIVEN QUANTITY......Page 229
APPENDIX H: HINTS FOR LEARNING......Page 231
APPENDIX I: ESTIMATING......Page 233
APPENDIX J: SQUARING NUMBERS ENDING IN 5......Page 235
APPENDIX K: PRACTICE SHEETS......Page 239
INDEX......Page 247