Chapter One Lesson One

The diameter of Jupiter is about 88,700 miles. Pluto can be as many as 4,500,000,000 miles from the sun.

Ways to Demonstrate Numbers Standard Form: 38,093 Expanded Form: 30,000 + 8,000 + 90 + 3 Word Form: thirty-eight thousand, ninety-three

Practice Using the standard form, write the word form and write the value of the red digit. 1) 9,235 * Nine thousand, two hundred thirty-five * Nine thousand 2) 25,503,400 *Twenty-five million, five hundred three thousand, four hundred * Five million

3) 342,124,567,111 * Three hundred forty-two billion, one hundred twenty-four million, five hundred sixty-seven thousand, one hundred eleven * 40,000,000,000 4) 18,000,036 * Eighteen million, thirty-six * 10,000,000 5) 17,983,024,000 * Seventeen billion, nine hundred eighty-three million, twenty-four thousand * 80,000,000

Write these in expanded form. 6) 7,357 * 7,000 + 300 + 50 + 7 * 700,000 + 60,000 + 1,000 + 300 + 20 +4 7) 761,324 8) 1,230,000 * 1,000,000 + 200,000 + 30,000 * 30,000 800 90 + 3 9) 30,893

10) 360,080,572 Write each number in standard form. 300,000,000 60,000,000 80,000 500 + 70 2 11) 90,000,000 + 5,000,000 + 300 + 7 * 95,000,307 12) Thirty billion, forty-eight million * 30,048,000,000 13) 50,000,000 + 8,000,000 + 40,000 + 6,000 + 300 + 9 * 58,046,309

In the 2000 U.S. Census, Texas’s population was 20,851,820, and Wyoming’s was 493,782. Give each population after: 14) An increase of 100,000 * 20,951,820 and 593,782 15) A decrease of 10,000 * 20,841,820 and 483,782 * 1,000 16) 999 + 1 = 17) 10,000 – 1 = * 9,999 * 10,000 18) 10 x 10 x 10 x 10 =

Name the smallest digit’s place value and replace it with a zero. 3,492,568 3,490,568 490,568 90,568

92,173,256 Name the smallest digit’s place value and replace it with a zero. 92,073,256 90,073,056 90,070,056 90,070,006 90,070,000

971,341,874 Name the smallest digit’s place value and replace it with a zero. 970,340,874 970,040,874 970,000,870 900,000,800

The End