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Decimal Arithmetic

Division

I. Division by a Whole Number

  • Ignore the decimal point; use Long Division as with whole numbers

  • Put the decimal point upon the answer above in the same spot as the dividend (number being divided)

1.26/7 = 0.18

More exercises coming

Exercise 4.

Perform the following division without using a calculator, rounding to 3 decimal places:


  ÷ =

 

 

 

 

 


II. Division by a Decimal Number

Example 4A.

The result from 1.26 ÷ 0.7 is the same as that from 12.6 ÷ 7. Thus

Hence 1.26 ÷ 0.7 = 1.8

Exercise 5.

Perform the following division without using a calculator, rounding to 3 decimal places:


  ÷ =

 

 






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