In division of a whole number by a decimal number the rules are discussed here.
(i) Count the number of decimal digits in the divisor.
(ii) Add as many zeroes to the dividend.
(iii) Remove the decimal in the divisor.
(iv) Divide as usual.
Let us consider some of the examples:
(i) 42 ÷ 0.7
Solution:
42 ÷ 0.7
= 420 ÷ 7
Therefore, 42 ÷ 0.7 = 60
(ii) 441 ÷ 0.21
Solution:
441 ÷ 0.21
44100 ÷ 21
Therefore, 441 ÷ 0.21 = 2100
(iii) 8133 ÷ 0.003
Solution:
8133 ÷ 0.003
8133000 ÷ 3
Therefore, 8133 ÷ 0.003 = 2711000
(iv) 48 ÷ 1.92
Solution:
48 ÷ 1.92
4800 ÷ 192
Therefore, 48 ÷ 1.92 = 25
(v) 722 ÷ 1.444
Solution:
722 ÷ 1.444
722000 ÷ 1444
Therefore, 722 ÷ 1.444 = 500
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● Decimal.
Expanded form of Decimal Fractions.
Changing Unlike to Like Decimal Fractions.
Comparison of Decimal Fractions.
Conversion of a Decimal Fraction into a Fractional Number.
Conversion of Fractions to Decimals Numbers.
Addition of Decimal Fractions.
Problems on Addition of Decimal Fractions
Subtraction of Decimal Fractions.
Problems on Subtraction of Decimal Fractions
Multiplication of a Decimal Numbers.
Multiplication of a Decimal by 10, 100, 1000
Multiplication of a Decimal by a Decimal.
Properties of Multiplication of Decimal Numbers.
Problems on Multiplication of Decimal Fractions
Division of a Decimal by a Whole Number.
Division of Decimal Fractions by Multiples.
Division of a Decimal by a Decimal.
Division of a whole number by a Decimal.
Properties of Division of Decimal Numbers
Problems on Division of Decimal Fractions
Conversion of fraction to Decimal Fraction.
5th Grade Math Problems
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