Khan Academy Wiki
Rewriting decimals as fractions 2
Converting decimals to fractions 2 256
Description
Exercise Name: Rewriting decimals as fractions 2
Math Missions: 7th grade (U.S.) Math Mission, 8th grade (U.S.) Math Mission, High school statistics and probability Math Mission, Pre-algebra Math Mission, Algebra basics Math Mission, Probability and statistics Math Mission, Mathematics I Math Mission
Types of Problems: 2

The Rewriting decimals as fractions 2 exercise appears under the 7th grade (U.S.) Math Mission, 8th grade (U.S.) Math Mission, Arithmetic essentials Math Mission, Pre-algebra Math Mission, Algebra basics Math Mission, High school statistics and probability Math Mission and Mathematics I Math Mission. This exercise continues practicing changing decimals into fractions.

Types of Problems[]

There are two types of problems in this exercise:

  1. Find the fraction for the decimal: This problem provides a terminating decimal. The user is asked to find the correct fraction form of the decimal.
    Ctdf2-1

    Find the fraction for the decimal

  2. Find the mixed number representation: This problem provides a decimal number that is greater than one. The user is asked to find the correct mixed number form and provide write this in the text box.
    Ctdf2-2

    Find the mixed number representation

Strategies[]

This exercise needs the user to know how to insert numbers, especially the mixed number format.

  1. It is not required to reduce the fraction so it is very fast just to make all fractions over the appropriate power of ten for the Find the fraction for the decimal problem.
  2. To insert a mixed number, leave a space between the whole number and fractional part. Again, the fraction do not need to be reduce to receive credit.

Real-life Applications[]

  1. Fractions and 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.