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2.10 Equivalent Fractions and Decimals
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2.10 Equivalent Fractions and Decimals
Learn to write fractions as decimals, and
vice versa, and to determine whether a
decimal is terminating or repeating.
Vocabulary
1.) terminating decimal - a decimal that comes
to an end.
2.)repeating decimal - the decimal repeats a
pattern forever.
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In baseball, a player’s batting average compares the
number of hits with the number of times the player has
been at bat. The statistics on the slide are for the 2004
Major League Baseball season.
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Hint: Divide the numerator by the denominator.
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The decimals 0.75 and 1.2 in Example 1 are
terminating decimals because the decimals comes to
an end.
0.25
0.42
The decimal 0.333…is a repeating decimal because
the decimal repeats a pattern forever. You can also write
a repeating decimal with a bar over the repeating part.
0.333… = 0.3
0.8333… = 0.83
0.727272… = 0.72
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Convert each decimal to a fraction
and reduce to simplest form.
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Problem Solving.
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Problem Solving.
rounding rule:
5 and above give it a shove, 4 and below let it go
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Lesson Quiz
HW = 2.10 A
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