Converting fractions with technology
I can convert from fractions to decimals and back again using the converter key on a calculator.
Converting fractions with technology
I can convert from fractions to decimals and back again using the converter key on a calculator.
Lesson details
Key learning points
- A calculator can be used to simplify fractions.
- A calculator can be used to convert fractions to decimals by dividing.
- A calculator can be used to convert fractions to decimals by using the appropriate key.
- A calculator can be used to convert a decimal to a fraction by using the appropriate key.
Common misconception
The calculator rounds recurring/non-terminating decimals to 10 d.p. and it is not terminating.
The fractional form will give a clearer idea if the decimal equivalent is terminating or not.
Keywords
Proper fraction - A proper fraction is a fraction where the numerator is less than the denominator.
Improper fraction - An improper fraction is a fraction where the numerator is greater than or equal to the denominator.
Mixed number - A mixed number is an improper fraction written as its integer part plus the fractional part where the fractional part is a proper fraction.
Equipment
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Video
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Starter quiz
6 Questions
$$84\over210$$ -
$$2\over5$$
$$48\over210$$ -
$$8\over35$$
$$48\over84$$ -
$$4\over7$$
$$84\over48$$ -
$$1 \frac{3}{4}$$
Exit quiz
6 Questions
0.77 -
$$77 \over 100$$
0.972 -
$$243 \over 250$$
3.294 -
$$1647 \over 500$$
3.924 -
$$981 \over 250$$