50 Chapter 1 Whole Numbers
Caution! Remember that the perimeter of a rectangle is the distance around
it and is measured in units such as inches, feet, and miles. The area of a
rectangle is the amount of surface it encloses and is measured in square units
such as in.^2 ,ft^2 , and mi^2.
- 324 2. a.9,000 b.2,500 c.875,000 3. a.13,500 b.21,700,000
4.12,024 5. a.247,806 b.8,040,032 6.2,300 7.35,000 8.$176
9.786,432 10.750 milligrams 11.2,655 in.^2
ANSWERS TO SELF CHECKS
STUDY SKILLS CHECKLIST
Get the Most from Your Textbook
The following checklist will help you become familiar with some useful features in this book.
Place a check mark in each box after you answer the question.
Locate the Definitionfor divisibility on page 61
and the Order of Operations Rules on page 102.
What color are these boxes?
Find the Caution box on page 36, the Success Tip
box on page 45, and the Language of Mathematics
box on page 45. What color is used to identify these
boxes?
Each chapter begins with From Campus to Careers
(see page 1). Chapter 3 gives information on how to
become a school guidance counselor. On what page
does a related problem appear in Study Set 3.4?
Locate the Study Skills Workshop at the beginning
of your text beginning on page S-1. How many
Objectives appear in the Study Skills Workshop?
Answers: Green, Red, 255, 7
VOCABULARY
Fill in the blanks.
- In the multiplication problem shown below, label
each factor and the product.
5 10 50 - Multiplication is addition.
- The property of multiplication states that
the order in which whole numbers are multiplied
does not change their product. The
property of multiplication states that the way in
which whole numbers are grouped does not change
their product. - Letters that are used to represent numbers are called
.
- If a square measures 1 inch on each side, its area is
1 inch. - The of a rectangle is a measure of the amount of
surface it encloses. - a.Write the repeated addition as a
multiplication.
b. Write the multiplication as a repeated
addition. - a.Fill in the blank: A rectangular of red
squares is shown below.
b. Write a multiplication statement that will give the
number of red squares.
7 15
8 8 8 8
CONCEPTS
SECTION1.4 STUDY SET