🦘 Math Kangaroo Grade All Felix 1-2 Ecolier 3-4 Benjamin 5-6 Kadett 7-8 Junior 9-10 Student 11-12 ⇄ switch contest
2012 Math Kangaroo

Problem 2

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

\(11.11 - 1.111 =\)

Show answer
Answer: D — 9.999
Show hints
Hint 1 of 2
Line up the decimal points before subtracting.
Still stuck? Show hint 2 →
Hint 2 of 2
Write 11.11 as 11.110 so both numbers have three decimal places.
Show solution
Approach: decimal subtraction
  1. Write 11.11 as 11.110 so the decimals align with 1.111.
  2. 11.110 − 1.111 = 9.999.
Mark: · log in to save