Subtraction  Learn  Contents and Search  Practice  Next Lesson  Play  Previous Lesson  Explore   Feedback Practice Your Spelling List States of the United States Nations of the World   Choosing a Method of Subtraction You know several methods of subtraction which are: Mental Subtraction Paper and Pencil Calculator You should choose the method that is easiest, fastest and most accurate. It is very valuable to become proficient in all methods. A calculator is easiest but often not the fastest way to subtract. Mental math is the fastest method but not always the easiest. Using paper and pencil is necessary on complex problems that require an exact answer. Subtracting Numbers with a calculator Subtracting numbers (for example 68 - 45 ) with a calculator involves several steps. Enter the first number by pressing the 6 button and the 8 button Enter the minus operation by pressing the button Enter the number 45 by pressing the 4 button and the 5 button Press the = button to make the calculator determine the answer. Return to Top Share Practice Find the Difference between the two Numbers.   -     You have correct and   incorrect.  This is percent correct. Return to Top Tell Others About This Site AAASpell.com Practice Your Spelling List Practice Our Spelling Lists Vocabulary Practice Alphabet Practice Play Game What is it? Best Score How many correct answers can you get in 60 seconds? Extra time is awarded for each correct answer. Play longer by getting more correct. How fast can you get 20 more correct answers than wrong answers? Sudoku Timez Attack Multiplication Video Game Return to Top Explore Math Lessons by Grade Kindergarten  First Second Third Fourth Fifth Sixth Seventh Eighth Math Topics Addition Algebra Comparing Counting Decimals Division Equations Estimation Exponents Fractions Geometry Graphs Measurement Mental Math Money Multiplication Naming Numbers Patterns Percent Place Value Practical Math Properties Ratios Statistics Subtraction Math Resources Schools Teachers Parents Home Schooling Web Resources Spelling Lessons by Grade First Second Third Fourth Fifth Sixth Seventh Eighth or - Practice Your Word List Vocabulary Lessons by Grade First Second Third Fourth Fifth Sixth Seventh Eighth Geography States of the United States Nations of the World Geographical Photos WorldPlenty.com What will the future be like? Other Interests Music DVD Computer and Video Games Books Sports Toys and Games Return to Top About This Site Frequently Asked Questions Send Us Feedback About this Site Privacy Policy Purchase The Math Class CD Share| Return to Top