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Example 5.23 from Prealgebra, 5.2 Decimal Operations
Decimal Operations: example 5.23
Divide:
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
Solution
The signs are the same. The quotient is positive. Make the divisor a whole number by 'moving' the decimal point all the way to the right.
Move the decimal point in the dividend the same number of places, adding zeros as needed.Divide.
Place the decimal point in the quotient above the decimal point in the dividend.Write the quotient with the appropriate sign. We can relate this example to money. How many nickels are there in four dollars? Because there are nickels in
Your turn
The book's Try It right after this example: same idea, new numbers. Only the answer is given.
Divide:
How did it go?