Download - Introduction to Fractions
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Introduction to Fractions
Kristi Walker 4th Grade
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VOCABULARY:o Fractiono Numeratoro 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
34
= the number of parts
= the whole
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Parts of a Fraction
34
= numerator
= denominator
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Which number is circled?
34 = denominator
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Which number is circled?
34
= numerator
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What fraction of the balls are red?
34
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What fraction of the balls are red?
14
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What fraction of the balls are red?
16
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What fraction of the balls are red?
46
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What fraction of the rectangle is red?
46
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What fraction of the rectangle is red?
26
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What fraction of the pie is red?
44
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What fraction of the pie is red?
34
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What fraction of the musical instruments have strings?
25
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What fraction of the fish have stripes?
35
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What fraction of the arrowshit the bullseye?
13
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What fraction of the pins areknocked down?
310
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How many halves are in a whole?
21/2 1/2
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How many quarters are in a whole?
41/4 1/41/4 1/4
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How many eighths are in a whole?
8 1/8 1/8 1/8 1/8 1/8 1/8 1/8 1/8
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How many eighths are in a quarter?
2 1/4
1/8 1/8
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How many eighths are in a half?
41/2
1/8 1/8 1/8 1/8
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How many quarters are in a half?
2 1/4
1/41/2
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How many thirds are in a whole?
3 1/3
1/3 1/3
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How many sixths are in a whole?
6 1/6
1/6 1/6
1/6 1/6
1/6
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How many sixths are in a third?
21/6
1/6
1/3
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How many sixths are in a half?
31/6
1/21/6
1/6
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How many fifths are in a whole?
51/5 1/5
1/5 1/5
1/5
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How many tenths are in a whole?
101/10 1/1
0
1/10
1/10
1/10
1/101/10
1/10 1/10
1/10
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How many tenths are in a fifth?
21/5
1/101/10
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How many tenths are in a half?
51/10
1/10
1/10
1/10
1/10 1/2