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1.1 Introduction to Whole Numbers

Counting numbers versus whole numbers, the place value each digit carries, reading and writing numbers in words, and rounding to a chosen place.

Prealgebra 2e, 1.1 Introduction to Whole Numbers

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46 exercises

1.1 Exercise 1

Which of the following are ⓐ counting numbers? ⓑ whole numbers?

0,14,3,5.2,15,1050 , \frac{1}{4} , 3 , 5.2 , 15 , 105

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1.1 Exercise 2

Which of the following are ⓐ counting numbers ⓑ whole numbers?

0,23,2,9,11.8,241,3760 , \frac{2}{3} , 2 , 9 , 11.8 , 241 , 376

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1.1 Exercise 3

Which of the following are ⓐ counting numbers ⓑ whole numbers?

0,53,7,8.8,13,2010 , \frac{5}{3} , 7 , 8.8 , 13 , 201

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1.1 Exercise 8

For each number, find the place value of digits listed: 27,493,61527,493,615

  1. ⓐ 22
  2. ⓑ 11
  3. ⓒ 44
  4. ⓓ 77
  5. ⓔ 55
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1.1 Exercise 9

For each number, find the place value of digits listed: 519,711,641,328519,711,641,328

  1. ⓐ 99
  2. ⓑ 44
  3. ⓒ 22
  4. ⓓ 66
  5. ⓔ 77
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1.1 Exercise 11

Name each number in words: 9,258,137,904,0619,258,137,904,061

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1.1 Exercise 12

Name each number in words: 17,864,325,619,00417,864,325,619,004

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1.1 Exercise 14

The population in a country is 316,128,839.316,128,839 . Name that number.

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1.1 Exercise 15

One year is 31,536,00031,536,000 seconds. Name that number.

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1.1 Exercise 17

Write each number in standard form:

fifty-three million, eight hundred nine thousand, fifty-one.

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1.1 Exercise 18

Write each number in standard form:

two billion, twenty-two million, seven hundred fourteen thousand, four hundred sixty-six.

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1.1 Exercise 20

Write each number in standard form:

The closest distance from Earth to Mars is about 3434 million miles.

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1.1 Exercise 21

Write each number in standard form:

The total weight of an aircraft carrier is 204204 million pounds.

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1.1 Exercise 23

Round to the nearest ten: 157.157 .

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1.1 Exercise 24

Round to the nearest ten: 884.884 .

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1.1 Exercise 26

Round to the nearest hundred: 17,852.17,852 .

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1.1 Exercise 27

Round to the nearest hundred: 4,951.4,951 .

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1.1 Exercise 29

Round to the nearest thousand: 63,921.63,921 .

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1.1 Exercise 30

Round to the nearest thousand: 156,437.156,437 .

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1.1 Exercise 31

Determine which of the following numbers are ⓐ counting numbers ⓑ whole numbers.

0,23,5,8.1,1250 , \frac{2}{3} , 5 , 8.1 , 125

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1.1 Exercise 33

Determine which of the following numbers are ⓐ counting numbers ⓑ whole numbers.

0,49,3.9,50,2210 , \frac{4}{9} , 3.9 , 50 , 221

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1.1 Exercise 39

Find the place value of the given digits.

579,601579,601

  1. ⓐ 9
  2. ⓑ 6
  3. ⓒ 0
  4. ⓓ 7
  5. ⓔ 5
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1.1 Exercise 41

Find the place value of the given digits.

56,804,37956,804,379

  1. ⓐ 8
  2. ⓑ 6
  3. ⓒ 4
  4. ⓓ 7
  5. ⓔ 0
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1.1 Exercise 43

Name each number in words.

1,0781,078

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1.1 Exercise 45

Name each number in words.

364,510364,510

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1.1 Exercise 47

Name each number in words.

5,846,1035,846,103

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1.1 Exercise 49

Name each number in words.

37,889,00537,889,005

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1.1 Exercise 51

Name each number in words.

The height of Mount Rainier is 14,41014,410 feet.

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1.1 Exercise 53

Name each number in words.

Seventy years is 613,200613,200 hours.

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1.1 Exercise 55

Name each number in words.

The U.S. Census estimate of the population of Miami-Dade county was 2,617,176.2,617,176 .

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1.1 Exercise 57

Name each number in words.

There are projected to be 23,867,00023,867,000 college and university students in the US in five years.

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1.1 Exercise 59

Name each number in words.

The population of China is expected to reach 1,377,583,1561,377,583,156 in 2016.2016 .

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1.1 Exercise 61

Write each number as a whole number using digits.

four hundred twelve

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1.1 Exercise 63

Write each number as a whole number using digits.

thirty-five thousand, nine hundred seventy-five

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1.1 Exercise 65

Write each number as a whole number using digits.

eleven million, forty-four thousand, one hundred sixty-seven

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1.1 Exercise 67

Write each number as a whole number using digits.

three billion, two hundred twenty-six million, five hundred twelve thousand, seventeen

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1.1 Exercise 69

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.

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1.1 Exercise 71

Write each number as a whole number using digits.

Lake Tahoe has a capacity of thirty-nine trillion gallons of water.

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1.1 Exercise 73

Round to the indicated place value.

Round to the nearest ten:

  1. ⓐ 386386
  2. ⓑ 2,9312,931

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1.1 Exercise 75

Round to the indicated place value.

Round to the nearest hundred:

  1. ⓐ 13,74813,748
  2. ⓑ 391,794391,794

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1.1 Exercise 77

Round to the indicated place value.

Round to the nearest ten:

  1. ⓐ 1,4921,492
  2. ⓑ 1,4971,497
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1.1 Exercise 79

Round to the indicated place value.

Round to the nearest hundred:

  1. ⓐ 63,99463,994
  2. ⓑ 63,94963,949

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1.1 Exercise 81

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

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1.1 Exercise 83

Buying a Car Jorge bought a car for $24,493.\$\text{24},\text{493} . Round the price to the nearest:

  1. ⓐ ten dollars
  2. ⓑ hundred dollars
  3. ⓒ thousand dollars
  4. ⓓ ten-thousand dollars
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1.1 Exercise 85

Population The population of China was 1,355,692,5441,355,692,544 in 2014.2014 . Round the population to the nearest:

  1. ⓐ billion people
  2. ⓑ hundred-million people
  3. ⓒ million people
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1.1 Exercise 87

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

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Adapted from Prealgebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Prealgebra 2e. Imported at revision 77a933c.