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Introduction to Fractions
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Small groups: How would you describe a pizza that has some slices missing?
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Fractions Fractions are parts of a whole
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What if we want to share our grilled cheese? 1212 1313 1414
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Denominator The denominator is the name for the number on the bottom of a fraction. It is the total number of parts.
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Numerator The numerator is the top number. This is the number of parts we are dealing with.
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Parts of a set How many strawberries do we have?
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Fraction Definition Song I KNOW MY DEFINITIONS WHEN IT COMES DOWN TO FRACTIONS I KNOW MY DEFINITIONS WHEN IT COMES DOWN TO FRACTIONS FRACTIONS PARTS OF WHOLE FRACTIONS PARTS OF WHOLE DENOMINATOR BOTTOM NUMBER NUMERATOR THE TOP NUMBER DENOMINATOR TELLS THE TRUTH HOW MANY PARTS THE WHOLE IS DIVIDED INTO THE NUMERATOR TELLS US THIS
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Fraction Definitions THE NUMERATOR TELLS US THIS HOW MANY OF THE PARTS WE’RE DEALING WITH PROPER FRACTION THE TOP NUMBER IS LESS THAN THE DENOMINATOR IMPROPER FRACTION THE TOP NUMBER IS GREATER THAN THE DENOMINATOR A MIXED NUMBER GETS A LITTLE MORE ACTION IT HAS A WHOLE NUMBER RIGHT NEXT TO THE FRACTION EQUIVALENT FRACTIONS HMMM I WONDER ARE FRACTIONS THAT REPRESENT THE SAME NUMBER RECIPRICAL IS THE MULTIPLICATIVE INVERSE OF A NUMBER INVERSE IS WHEN YOU FLIP A FRACTION AND THE BOTTOM NUMBER GOES ON TOP I KNOW MY DEFINITIONS
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http://www.brainpop.com/math/numbersandoperat ions/fractions/ http://www.brainpop.com/math/numbersandoperat ions/fractions/
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