Multiplication: Part one -- Using a reference number -- Multiplying numbers above and below the reference number -- Checking answers: Part one -- Multiplication: Part two -- Multiplying decimals --Multiplying using two reference numbers -- Addition -- Subtraction -- Squaring numbers -- Short division -- Long division by factors -- Standard long division -- Direct division -- Division by addition -- Checking answers: Part two -- Estimating square roots -- Calculating square roots -- Fun shortcuts -- Adding and subtracting fractions -- Multiplying and dividing fractions -- Direct Multiplication -- Estimating answers -- Using what you have learned -- Afterword -- Appendix A. Frequently asked questions -- Appendix B. Estimating cube roots -- Appendix C. Checks for divisibility -- Appendix D. Why our methods work -- Appendix E. Casting out nines : Why it works -- Appendix F. Squaring feet and inches -- Appendix G. How do you get students to enjoy mathematics? -- Appendix H. Solving problems.
0
SUMMARY OR ABSTRACT
Text of Note
Using this book will improve your understanding of math and have you performing like a genius! Speed Mathematics teaches simple methods that will enable you to make lightning calculations in your head--including multiplication, division, addition, and subtraction, as well as working with fractions, squaring numbers, and extracting square and cube roots.