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Introduction to Fractions Kristi Walker 4 th Grade

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VOCABULARY: o Fraction o Numerator o Denominator

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Fraction: A part of a whole number. Example: 1/2 Note: A fraction can be written like 1/2 or like 1. Both mean the same thing! 2

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Denominator: In a fraction, the denominator is the number below the line. It shows how many equal parts the whole is divided into. Example: 2/3 The denominator is 3.

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Numerator: In a fraction, the numerator is the number above the line. It shows how many parts of the denominator are taken. Example: 2/3 The numerator is 2.

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Parts of a Fraction 3 4 = the number of parts = the whole

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Parts of a Fraction 3 4 = numerator = denominator

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Which number is circled? 3 4 = denominator

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Which number is circled? 3 4 = numerator

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What fraction of the balls are red? 3 4

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1 4

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1 6

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4 6

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What fraction of the rectangle is red? 4 6

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2 6

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What fraction of the pie is red? 4 4

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3 4

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What fraction of the musical instruments have strings? 2 5

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What fraction of the fish have stripes? 3 5

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What fraction of the arrows hit the bullseye? 1 3

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What fraction of the pins are knocked down? 3 10

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How many halves are in a whole? 2 1/2

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How many quarters are in a whole? 4 1/4

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How many eighths are in a whole? 8 1/8 1/8

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How many eighths are in a quarter? 2 1/4 1/8

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How many eighths are in a half? 4 1/2 1/8 1/8

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How many quarters are in a half? 2 1/4 1/4 1/2

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How many thirds are in a whole? 3 1/3 1/3

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How many sixths are in a whole? 6 1/6 1/6

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How many sixths are in a third? 2 1/6 1/3

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How many sixths are in a half? 3 1/6 1/21/6

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How many fifths are in a whole? 5 1/5

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How many tenths are in a whole? 10 1/10

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How many tenths are in a fifth? 2 1/5 1/10

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How many tenths are in a half? 5 1/10 1/2

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