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Prealgebra

Lynn Marecek, MaryAnne Anthony-Smith

Chapter 1

Whole Numbers

Educators


Problem 1

In the following exercises, determine which of the following numbers are a counting numbers b whole numbers.
$$0, \frac{2}{3}, 5,8.1,125$$

Karly W.
Numerade Educator

Problem 2

In the following exercises, determine which of the following numbers are a counting numbers b whole numbers.
$$0, \frac{7}{10}, 3,20.5,300$$

Karly W.
Numerade Educator

Problem 3

In the following exercises, determine which of the following numbers are a counting numbers b whole numbers.
$$0, \frac{4}{9}, 3.9,50,221$$

Karly W.
Numerade Educator

Problem 4

In the following exercises, determine which of the following numbers are a counting numbers b whole numbers.
$$0, \frac{3}{5}, 10,303,422.6$$

Karly W.
Numerade Educator

Problem 5

In the following exercises, use place value notation to find the value of the number modeled by the base-10 blocks.

Karly W.
Numerade Educator

Problem 6

In the following exercises, use place value notation to find the value of the number modeled by the base-10 blocks.

Karly W.
Numerade Educator

Problem 7

In the following exercises, use place value notation to find the value of the number modeled by the base-10 blocks.

Karly W.
Numerade Educator

Problem 8

In the following exercises, use place value notation to find the value of the number modeled by the base-10 blocks.

Karly W.
Numerade Educator

Problem 9

In the following exercises, find the place value of the given digits.
579,601
(a) 9$\quad$
(b) 6$\quad$
(c) 0$\quad$
(d) 7$\quad$
(e) 5$\quad$

Karly W.
Numerade Educator

Problem 10

In the following exercises, find the place value of the given digits.
398,127
(a) 9$\quad$
(b) 3$\quad$
(c) 2$\quad$
(d) 8$\quad$
(e) 7$\quad$

Karly W.
Numerade Educator

Problem 11

In the following exercises, find the place value of the given digits.
56,804,379
(a) 8$\quad$
(b) 6$\quad$
(c) 4$\quad$
(d) 7$\quad$
(e) 0$\quad$

Karly W.
Numerade Educator

Problem 12

In the following exercises, find the place value of the given digits.
78,320,465
(a) 8$\quad$
(b) 4$\quad$
(c) 2$\quad$
(d) 6$\quad$
(e) 7$\quad$

Karly W.
Numerade Educator

Problem 13

In the following exercises, name each number in words.
$$1,078$$

Karly W.
Numerade Educator

Problem 14

In the following exercises, name each number in words.
$$5,902$$

Karly W.
Numerade Educator

Problem 15

In the following exercises, name each number in words.
$$364,510$$

Karly W.
Numerade Educator

Problem 16

In the following exercises, name each number in words.
$$146,023$$

Karly W.
Numerade Educator

Problem 17

In the following exercises, name each number in words.
$$5,846,103$$

Karly W.
Numerade Educator

Problem 18

In the following exercises, name each number in words.
$$1,458,398$$

Karly W.
Numerade Educator

Problem 19

In the following exercises, name each number in words.
$$37,889,005$$

Karly W.
Numerade Educator

Problem 20

In the following exercises, name each number in words.
$$62,008,465$$

Karly W.
Numerade Educator

Problem 21

In the following exercises, name each number in words.
The height of Mount Ranier is14,410 feet.

Karly W.
Numerade Educator

Problem 22

In the following exercises, name each number in words.
The height of Mount Adams is 12,276 feet.

Karly W.
Numerade Educator

Problem 23

In the following exercises, name each number in words.
Seventy years is 613,200 hours.

Karly W.
Numerade Educator

Problem 24

In the following exercises, name each number in words.
One year is 525,600 minutes.

Karly W.
Numerade Educator

Problem 25

In the following exercises, name each number in words.
The U.S. Census estimate of the population of Miami-Dade county was 2,617,176.

Karly W.
Numerade Educator

Problem 26

In the following exercises, name each number in words.
The population of Chicago was 2,718,782.

Karly W.
Numerade Educator

Problem 27

In the following exercises, name each number in words.
There are projected to be 23,867,000 college and university students in the US in
five years.

Karly W.
Numerade Educator

Problem 28

In the following exercises, name each number in words.
About twelve years ago there were 20,665,415 registered automobiles in California

Karly W.
Numerade Educator

Problem 29

In the following exercises, name each number in words.
The population of China is expected to reach 1,377,583,156 in 2016.

Karly W.
Numerade Educator

Problem 30

In the following exercises, name each number in words.
The population of India is estimated at 1,267,401,849 as of July 1, 2014.

Karly W.
Numerade Educator

Problem 31

In the following exercises, write each number as a whole number using digits.
four hundred twelve

Karly W.
Numerade Educator

Problem 32

In the following exercises, write each number as a whole number using digits.
two hundred fifty-three

Karly W.
Numerade Educator

Problem 33

In the following exercises, write each number as a whole number using digits.
thirty-five thousand, nine hundred seventy-five

Karly W.
Numerade Educator

Problem 34

In the following exercises, write each number as a whole number using digits.
sixty-one thousand, four hundred fifteen

Karly W.
Numerade Educator

Problem 35

In the following exercises, write each number as a whole number using digits.
eleven million, forty-four thousand, one hundred sixty-seven

Karly W.
Numerade Educator

Problem 36

In the following exercises, write each number as a whole number using digits.
eighteen million, one hundred two thousand, seven hundred eighty-three

Karly W.
Numerade Educator

Problem 37

In the following exercises, write each number as a whole number using digits.
three billion, two hundred twenty-six million, five hundred twelve thousand, seventeen

Karly W.
Numerade Educator

Problem 38

In the following exercises, write each number as a whole number using digits.
eleven billion, four hundred seventy-one million, thirty-six thousand, one hundred six

Karly W.
Numerade Educator

Problem 39

In the following exercises, write each number as a whole number using digits.
The population of the world was estimated to be seven billion, one hundred seventy-three million people.

Karly W.
Numerade Educator

Problem 40

In the following exercises, write each number as a whole number using digits.
The age of the solar system is estimated to be four billion, five hundred sixty-eight million years.

Karly W.
Numerade Educator

Problem 41

In the following exercises, write each number as a whole number using digits.
Lake Tahoe has a capacity of thirty-nine trillion gallons of water.

Karly W.
Numerade Educator

Problem 42

In the following exercises, write each number as a whole number using digits.
The federal government budget was three trillion, five hundred billion dollars.

Karly W.
Numerade Educator

Problem 43

In the following exercises, round to the indicated place value.
$$\begin{array}{l}{\text {Round to the nearest ten: }} \\ {\text { (a) } 386 \quad \text { (b) } 2,931}\end{array}$$

Karly W.
Numerade Educator

Problem 44

In the following exercises, round to the indicated place value.
$$\begin{array}{l}{\text { Round to the nearest ten: }} \\ {\text { (a) } 792 \quad \text { ( b) } 5,647}\end{array}$$

Karly W.
Numerade Educator

Problem 45

In the following exercises, round to the indicated place value.
$$\begin{array}{l}{\text { Round to the nearest }} \\ {\text { hundred: }} \\ {\text { (a) } 13,748 \quad \text { (b) } 391,794}\end{array}$$

Karly W.
Numerade Educator

Problem 46

In the following exercises, round to the indicated place value.
$$\begin{array}{l}{\text { Round to the nearest hundred: }} \\ {\text { (a) } 28,166 \quad \text { (} {b) } 481,628}\end{array}$$

Karly W.
Numerade Educator

Problem 47

In the following exercises, round to the indicated place value.
$$\begin{array}{l}{\text { Round to the nearest ten: }} \\ {\text { (a) } 1,492 \quad \text { (b) } 1,497}\end{array}$$

Karly W.
Numerade Educator

Problem 48

In the following exercises, round to the indicated place value.
$$\begin{array}{l}{\text { Round to the nearest }} \\ {\text { thousand: }} \\ {\text { (a) } 2,391 \text { (b) } 2,795}\end{array}$$

Karly W.
Numerade Educator

Problem 49

In the following exercises, round to the indicated place value.
$$\begin{array}{l}{\text { Round to the nearest }} \\ {\text { hundred: }} \\ {\text { (a) } 63,994 \quad \text { (b) } 63,949}\end{array}$$

Karly W.
Numerade Educator

Problem 50

In the following exercises, round to the indicated place value.
$$
\begin{array}{l}{\text { Round to the nearest }} \\ {\text { thousand: }} \\ {\begin{array}{lll}{\text { (a) } 163,584} & {\text { (b) } 163,246}\end{array}}\end{array}
$$

Karly W.
Numerade Educator

Problem 51

Writing a Check Jorge bought a car for $24,493. He paid for the car with a check. Write the purchase price in words.

Karly W.
Numerade Educator

Problem 52

Writing a Check Marissa’s kitchen remodeling cost $18,549. She wrote a check to the contractor. Write the amount paid in words.

Karly W.
Numerade Educator

Problem 53

Buying a Car Jorge bought a car for $24,493. Round the price to the nearest:
a. ten dollars
b. hundred dollars
c. thousand dollars
d. ten-thousand dollars

Karly W.
Numerade Educator

Problem 54

Remodeling a Kitchen Marissa’s kitchen remodeling cost $18,549. Round the cost to the
nearest:
a. ten dollars
b. hundred dollars
c. thousand dollars
d. ten-thousand dollars

Karly W.
Numerade Educator

Problem 55

Population The population of China was 1,355,692,544 in 2014. Round the population to the nearest:
a. billion people
b. hundred-million people
c. million people

Karly W.
Numerade Educator

Problem 56

Astronomy The average distance between Earth and the sun is 149,597,888 kilometers. Round the distance to the nearest:
a. hundred-million kilometers
b. ten-million kilometers
c. million kilometers

Karly W.
Numerade Educator

Problem 57

In your own words, explain the difference between the counting numbers and the whole numbers.

Karly W.
Numerade Educator

Problem 58

Give an example from your everyday life where it helps to round numbers.

Karly W.
Numerade Educator