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Published byMarvin Osborn Horn Modified over 8 years ago
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Multiplying Fractions with Models Notes
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I can: multiplying fraction to solve problems ½ x ¾ =3/8 Paste the model in your notebook. Mark your fraction model in half with a marker. Example
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Folderable Notes Proper Fractions At the top of the folderable 3/8 x1/5 =3/40 At the bottom folderable 1.Multiply the numerators 2.Multiply the denominators 3.Simplify Mixed Numbers At the top of the folderable 2 2/3 x 3 ¼ = 8/3 x 13/4 26/3= 8 2/3 At the bottom of the folderable 1.Convert the mixed number to an improper fraction 2.Double cross cancel 3.Multiply as you would a proper fraction. Example
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Dividing Fractions Notes
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Dividing Fractions Notes I can: divide whole number and fractions fluently Reciprocals: help us to divide fractions. A reciprocal of a number is the value needed to have a product of 1. 2 x ⃝ = 1 Rewrite 2 as 2/1 and then what must I multiply my numerator and denominator by to create a product of 1? 9 x ⃝ = 1 7/8 x ⃝ = 1 3/4 x ⃝ = 1
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Folderable Notes Dividing Fractions Proper Fractions At the top of the folderable 7/8 ÷1/4 =3 1/2 At the bottom folderable 1.Keep 1 st fraction 2.Change to X symbol 3.Flip the 2 nd fraction 4.Multiply as you would a proper fraction Mixed Numbers At the top of the folderable 2 1/2 ÷3 3/4 = 5/2 x 4/15= 2/3 At the bottom of the folderable 1.Convert the mixed number to an improper fraction 2.KFC Rules 3.Double cross cancel 4.Multiply as you would a proper fraction.
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