Mixed Numbers
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Lesson Summary:
In this lesson on mixed numbers, Mr. Hansen covers three ways to convert mixed numbers to improper fractions. He starts by drawing a visual representation of the mixed number, converting all values to the denominator of the fractional part, and then adding the numerators. Additionally, he shows a quick shortcut for converting mixed numbers to improper fractions by multiplying the whole number by the denominator and adding the numerator, keeping the original denominator. Overall, the lesson provides a thorough review of mixed number conversions, from visual representations to quick shortcuts.
Lesson Description:
How and why you can convert mixed numbers to improper fractions.
Courtesy of Mr. Hansen of www.mrhansen.net.
Questions answered by this video:
- What is a mixed number?
- How do you convert a mixed number to an improper fraction?
- What is 2 1/4 as an improper fraction?
- How can you draw pictures to represent mixed numbers visually?
- Why does 2 1/4 = 9/4?
- How can you change 1 2/3 to an improper fraction?
- Is there an easy way to remember how to change a mixed number to an improper fraction?
- Why does 3 2/5 = 17/5?
- What is 6 1/2 as an improper fraction?
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Staff Review
This video uses pictures to get the idea of mixed numbers across visually, and then converts these mixed numbers into improper fractions. This is a wonderful way of understanding what is going on, and is a must-see for students trying to understand why this conversion works the way it does. Three different methods are discussed, with the most commonly taught way being shown last. Numerous examples are shown and explained in excellent detail.
