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Grade 4 - Mathematics
8.20 Fractions-Decimals-Percents

  • Converting fractions to percentage
    To convert a given fraction to percentage, we multiply the fraction by 100.
    Example: 1/4
    convert 1/4 to percentage, we multiply the fraction by 100.
    This gives us 25%.
    Answer: 25%
  • Converting percentage to fraction
    To convert a given percentage to fraction, we divide the given percent by 100. Then the fraction is written in the simplest form.
    Example: 5%
    To convert 5% to fraction, divide it by 100.
    5/100
    The simplest form of 5/100 is 1/20.
    Answer: 1/20
  • Converting fraction to decimal
    To convert a given fraction to decimal, we divide the numerator by the denominator.
    Example: 1/10
    The denominator has one zero .
    Hence the numerator has just one decimal place.
    Answer: 0.1
  • Converting decimal to fraction
    Look at the number of digits after the decimal point.
    This will account for the number of zeroes in the denominator.
    Example: 2.5
    2.5 has one number after the decimal point. So the fraction will have just one 0 in the denominator.
    Numerator is the number without the decimal point.
    Answer: 25/10

Directions: Answer the following. Also write at least ten examples of your own.
Q 1: 4/5
45%
4.5
80%
8.0

Q 2: 1/4
2.5
40%
0.40
25%

Q 3: 1/2
5%
0.50
20%
0.25

Q 4: 0.75
75%
7.5
2/4
3/5

Q 5: 0.10
10%
1/3
1 whole
1/2

Q 6: 2/4
2.4
0.24
24%
1/2

Q 7: 75%
7.5
5/10
3/4
0.70

Q 8: 0.25
25%
5/10
50%
2.5

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Question 10: This question is available to subscribers only!


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