TAILIEUCHUNG - Lecture Practical business math procedures (11/e) - Chapter 3: Decimals

After completing this chapter, students will be able to: Explain the place values of whole numbers and decimals; round decimals; convert decimal fractions to decimals, proper fractions to decimals, mixed numbers to decimals, and pure and mixed decimals to decimal fractions; add, subtract, multiply, and divide decimals; complete decimal applications in foreign currency; multiply and divide decimals by shortcut methods. | Chapter Three Decimals Copyright © 2014 by The McGraw-Hill Companies, Inc. All rights reserved. McGraw-Hill/Irwin LU 3-1: Rounding Decimals; Fraction & Decimal Conversions Explain the place values of whole numbers and decimals; round decimals. Convert decimal fractions to decimals, proper fractions to decimals, mixed numbers to decimals, and pure and mixed decimals to decimal fractions. Learning unit objectives LU 3-2: Adding, Subtracting, Multiplying, and Dividing Decimals Add, subtract, multiply, and divide decimals. Complete decimal applications in foreign currency. Multiply and divide decimals by shortcut methods. Table - Bag of M&M’s Decimal Percent Color Fraction (hundredth) (hundredth) Yellow 18 .33 55 Red 10 .18 55 Blue 9 .16 55 Orange 7 .13 55 Brown 6 .11 55 Green 5 .09 55 Total 55 55 = 1 Decimal place-value chart 4 Rounding Decimals .337272 .33 .3272727 Step 1. Identify the place value of the digit you want to round.

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• Rounding decimals
• Decimal conversions
• Dividing decimals
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