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To Change a Mixed Number to an Improper Fraction

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Presentation on theme: "To Change a Mixed Number to an Improper Fraction"— Presentation transcript:

1 To Change a Mixed Number to an Improper Fraction
Starter To Change a Mixed Number to an Improper Fraction 1. Whole number x Denominator 2. Add numerator to make NEW numerator 3. Denominator stays the same

2 We are Learning to…… Multiply Fractions

3 Multiplying a fraction by a fraction
3 8 4 5 What is × ? To multiply two fractions together, multiply the numerators together and multiply the denominators together: 3 3 8 4 5 × = 12 Point out that we could also cancel before multiplying. 40 10 = 3 10

4 Multiplying a fraction by a fraction
5 6 What is × ? 12 25 Start by writing the calculation with any mixed numbers as improper fractions. To make the calculation easier, cancel any numerators with any denominators. 7 2 12 25 35 6 × = 14 5 1 5 = 2 4 5

5 Multiplying fractions mentally

6 Questions to follow… To succeed at this lesson today you need to…
1. Turn any mixed numbers into improper fractions 2. Multiply the numerators, multiply the denominators and cancel 3. Remember that a whole number can be written as a fraction by putting it over 1 Questions to follow…

7 Homework 1. 2/3 x 5/8 x 3/10 2. 3/4 x 5/6 x 4/5 3. 3/8 x 4/5 x 5/9


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