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2012 Math Kangaroo

Problem 2

Problem 2 · 2012 Math Kangaroo Easy
Fractions, Decimals & Percents place-value

\(11.111 - 1.1111 =\)

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Answer: C — 9.9999
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Hint 1 of 2
Line the decimals up by the decimal point before subtracting.
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Hint 2 of 2
Watch how the places after the point line up: 11.1110 − 1.1111.
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Approach: align decimal places and subtract
  1. Write 11.111 as 11.1110 so both numbers have four places after the point.
  2. Subtract: 11.1110 − 1.1111 = 9.9999.
  3. So the result is 9.9999 (C).
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