California Pre-Algebra, 2008
33

 PAGE: 349 SET: Exercises PROBLEM: 33

The expression is

Place value chart for 892.1 and 420.5.

 8 9 2 1 4 2 0 5

Line up the decimal points and draw a line below the numbers.

First find the difference of the tenths digit.

The difference of the tenths digit, 1 is lesser than 5, so borrow 1 from ones place.

So 1 becomes 11. .

Next find the difference of the ones digit.

The difference of the ones digit, .

Next find the difference of the tens digit.

The difference of the tens digit, .

Next find the difference of the hundreds digit.

The difference of the hundreds digit, .

The difference of is 471.6.

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