Basic Mathematics for College Students

22 Chapter 1 Whole Numbers The Language of Mathematics When you hear the word perimeter,think of the distance around the “rim” o ...

1.2 Adding Whole Numbers 23 EXAMPLE (^9) Money Find the perimeter of the dollar bill shown below. Strategy We will add two lengt ...

24 Chapter 1 Whole Numbers 896 2. 82 3.3,699 4. 239 5. a. 40 b.1,314 6.16,600 7. 326 8.1,234,325 9.76 in. ANSWERS TO SELF CHEC ...

When all the sides of a rectangle are the same length, we call the rectangle a. The distance around a rectangle is called its . ...

Apply the associative property of addition to find the sum. See Example 4. (9 3)  7 (7 9)  1 (13 8)  12 (19 7)  13 94  ...

APPLICATIONS DIMENSIONS OF A HOUSE Find the length of the house shown in the blueprint. ROCKETS A Saturn V rocket was used to l ...

CANDY The graph below shows U.S. candy sales in 2007 during four holiday periods. Find the sum of these seasonal candy sales. ...

1.3 Subtracting Whole Numbers 29 Subtraction of whole numbers is used by everyone. For example, to find the sale price of an ite ...

30 Chapter 1 Whole Numbers Solution We start at the right and subtract the ones digits and then the tens digits, and write each ...

1.3 Subtracting Whole Numbers 31 Some subtractions require borrowing from two (or more) place value columns. EXAMPLE (^4) Subtra ...

32 Chapter 1 Whole Numbers 11 Complete the solution by subtracting in the hundreds column (8  5 3) and bringing down the 9 in ...

139 Complete the solution by subtracting in the thousands column (1  1 0) and bringing down the 4 in the ten thousands column. ...

34 Chapter 1 Whole Numbers WHY Front-end rounding produces whole numbers containing many 0’s. Such numbers are easier to subtrac ...

1.3 Subtracting Whole Numbers 35 EXAMPLE (^9) Radio Stations In 2005, there were 773 oldies radio stations in the United States. ...

36 Chapter 1 Whole Numbers Solution We will write the steps of the solution in horizontal form. 27  16  5  11  5 Working lef ...

To see whether the result of a subtraction is reasonable, we can round the minuend and subtrahend and the difference. To evalua ...

Subtract 1,249 from 50,009. Subtract 2,198 from 20,020. WORLD RECORDS The world’s lar ...

TELEPHONE AREA CODES The state of Florida has 9 less area codes than California. If California has 26 area codes, how many does ...

40 Chapter 1 Whole Numbers SECTION 1.4 Multiplying Whole Numbers Objectives 1 Multiply whole numbers by one-digit numbers. 2 Mul ...

To multiply larger whole numbers, we can use vertical form by stacking them with their corresponding place values lined up. Then ...