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Everyday maths 1 (Northern Ireland)
Everyday maths 1 (Northern Ireland)

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6.1 Changing a fraction to a decimal on a calculator

A calculator can be used to develop our number skills.

It is important that you check your calculations are sensible by using estimation.

Always remember to clear the display before you start a new calculation.

Here are some examples to show how to change a fraction to a decimal using a calculator.

A table illustrating how to use calculators to convert fractions to percentages.
Figure 32 converting fractions to percentages using calculators

Activity

Using your calculator, convert the following fractions to decimals.

  1. one divided by four

  2. three divided by five

  3. three divided by eight

  4. seven divided by 10

  5. nine divided by 20

  6. five divided by 100

Answer

  1. one divided by four = 0.25

  2. three divided by five = 0.6

  3. three divided by eight = 0.375

  4. seven divided by 10 = 0.7

  5. nine divided by 20 = 0.45

  6. five divided by 100 = 0.05