FORM ONE MATHEMATICS STUDY NOTES TOPIC 3: DECIMAL AND PERCENTAGE

 

The Concept of Decimals
Explain the concept of decimals
A decimal- is defined as a number which consist of two parts separated by a point.The parts are whole number part and fractional part
Example 1
decimal 1455529681353
Example 2
Conversion of Fractions to Terminating Decimals and Vice Versa
Convert fractions to terminating decimals and vice versa
The first place after the decimal point is called tenths.The second place after the decimal point is called hundredths e.t.c
Consider the decimal number 8.152
NOTE
  • To convert a fraction into decimal, divide the numerator by denominator
  • To convert a decimal into fraction, write the digits after the decimal point as tenths, or hundredths or thousandths depending on the number of decimal places.
Example 3
Convert the following fractions into decimals
convert 1455530463349
Solution
Divide the numerator by denominator
solv 1 1455531069219

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