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Fractions XIII1

# Fractions XIII1 - Fractions XIII Fractions Multiplication...

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Unformatted text preview: Fractions XIII Fractions Multiplication of Whole Multiplication Numbers Numbers by Monica Yuskaitis Times You Would Multiply a Fraction Times a Whole Number Fraction You walk a 4 mile route halfway. ½ of 4 or ½ x 4 You walk a ¾ mile route twice. 2x¾ Times You Would Multiply a Fraction Times a Whole Number Number A \$12 ticket to the magic show is on sale for 2/3 of the original price. 2/3 of \$12 or 2/3 x 12 How to Find the Fraction of a Whole Number Whole The first thing to remember is “of” means multiply in mathematics. of = x How to Find the Fraction of a Whole Number Whole Step 1 - When you see a fraction problem you know when you read “of” in the problem you multiply. 1 of 46 x 2 How to Find the Fraction of a Whole Number Whole Step 2 – Change your whole number to a fraction by adding a one underneath. 1 x 46 2 1 How to Find the Fraction of a Whole Number Whole Step 3 – Multiply your numerators straight across. 1 x 46 = 46 2 1 How to Find the Fraction of a Whole Number Whole Step 4 – Then multiply your denominators straight across. 1 x 46 = 46 2 1 2 How to Find the Fraction of a Whole Number Whole Step 5 – Simplify your answer. In this case we change an improper fraction to a mixed number or a whole number. 23 1 x 46 = 46 2)46 2 1 2 Multiply and Simplify Multiply 1 of 36 = 36 12 x 1 3 3)36 3 Multiply and Simplify Multiply 3 1 of 18 = 18 x 6)18 6 16 Multiply and Simplify Multiply 3 38 3 of 9 = 27 x 8 1 8 8)27 24 3 Multiply and Simplify Multiply 2 58 7 of 6 = 42 x 8 1 8 8)42 40 2 ÷2 = 51 58 ÷2 2 4 Multiply and Simplify Multiply You’re really getting this! 4 18 1 of 12 = 12 x 8 1 8 8)12 8 4 ÷4 = 11 18 ÷4 4 2 Credits Credits Clipart from “Microsoft Clip Gallery” located on the Internet at http://cgl.microsoft.com/ clipgallerylive/default.asp ...
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