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4½ 4¾ Chris Clements Fractions Converting Improper Fractions into Mixed Numbers 6½ 15 8 8 3
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Learning Objective: LO: I can convert improper fractions into mixed numbers.
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What is a proper fraction? In a proper fraction the numerator is less than the denominator 1 4 2 3 4 5 3 10 3 8 What do you think an improper fraction is?
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An improper fraction is where the numerator is more than the denominator. 7 4 8 3 22 5 13 10 15 8 Here are some examples of improper fractions. These fractions are also called Top Heavy Fractions.
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Do you know what mixed numbers are? A mixed number is a whole number and a proper fraction. Whole numbers are counting numbers like 1,2,3... A proper fraction is when the numerator is less than the denominator 1 4 1 3 4 5 31 1 Are examples of mixed numbers
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In this lesson we will learn to convert improper fractions into mixed numbers. In each of these shapes what is the value of each square? Give your answer has a fraction. How many sixths are there altogether? 17 6 What is the mixed number? 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6
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1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1 6 1) Step to success is to find how much of the improper fraction is whole or 17 6 So how can we convert improper fractions into mixed number? 5 6 2 1 6 1 6 A good way to do this is to turn the improper fraction into a division sum. 17 6 17 ÷ 6 Remember you are always going to get a remainder if the improper fraction can convert into a mixed number.
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Now we know how many whole numbers are in the mixed number. 17 ÷ 6 Step 2: Carry out the calculation 17 ÷ 6 = 2 r5 5 What was the remainder? What was the denominator in the improper fraction? 6 5 6 17 6 5 6 2 = Step 3: Find the proper fraction
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Let’s have a look at converting more improper fractions into mixed numbers. 13 ÷ 3 = 4r 1 13 3 1 3 4 = 37 ÷ 5 = 7 r2 37 5 2 5 7 = 29 ÷ 4 = 7 r1 29 4 1 4 7 = 25 ÷ 8 = 3 r1 25 8 1 8 3 =
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Step 1) Change the improper fraction into a division sum Step 2) Carry out the calculation Step 3) Find the proper fraction Fractions of shape Steps to success 17 ÷ 6 = 17 ÷ 6 = 2 r5 5 6 17 6 5 6 2 = =
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Activity
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Plenary Order these fractions from smallest to biggest. Order these fractions from biggest to smallest. 7 6 1 3 2 3 1 4 3 5 6 1 15 4 3 4 1 1 2 2 7 2 1 4 2 1 3 2 2 4 3 5 6 1 3 4 1 1 2 2 7 2 1 4 2
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