Fundamentals of Mathematics, 2008a

44 CHAPTER 1. ADDITION AND SUBTRACTION OF WHOLE NUMBERS
Exercise 1.5.85
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Exercise 1.5.86 (Solution on p. 83.)
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Exercise 1.5.87
82
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Exercise 1.5.88 (Solution on p. 83.)
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1.5.7.1 Exercises for Review
Exercise 1.5.89
(Section 1.2) Each period of numbers has its own name. From right to left, what is the name of
the fourth period?
Exercise 1.5.90 (Solution on p. 83.)
(Section 1.2) In the number 610,467, how many thousands are there?
Exercise 1.5.91
(Section 1.3) Write 8,840 as you would read it.
Exercise 1.5.92 (Solution on p. 83.)
(Section 1.4) Round 6,842 to the nearest hundred.
Exercise 1.5.93
(Section 1.4) Round 431,046 to the nearest million.
1.6 Subtraction of Whole Numbers 6
1.6.1 Section Overview
• Subtraction
• Subtraction as the Opposite of Addition
• The Subtraction Process
• Subtraction Involving Borrowing
• Borrowing From Zero
• Calculators
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