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The Subtracting decimals 2 exercise appears under the 6th grade (U.S.) Math Mission, Arithmetic essentials Math Mission, Pre-algebra Math Mission, Algebra basics Math Mission, Mathematics I Math Mission, Algebra I Math Mission and High school statistics and probability Math Mission. This exercise performs subtracting of decimal numbers.

Types of Problems

There is one type of problem in this exercise:

  1. Subtract the numbers: This problem has a subtraction problem involving decimals. The student is asked to find the correct answer and type it in the box.
    Subdec

    Subtract the numbers

Strategies

This exercise is easy to get accuracy badges as long as one is acquainted with subtracting decimals. The speed badges are easy, especially with a calculator, but defeats the purpose of this exercise.

  1. Be sure to align the decimals before performing subtraction.
  2. The problems require borrowing and on most problems, one will be borrowing hundredths from tenths, borrowing is important for success.
  3. A calculator can be used to ensure accuracy and speed, but is against the spirit of the exercise.

Real-life Applications

  1. Decimals appear in every-day media to display information to consumers.
  2. Decimals are very common in shopping. Price tags, food labels, and receipts all contain decimals.
  3. At gas pumps, decimals are used to show how much gas is pumped and much it costs per gallon.

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