## Envision Math 3rd Grade Textbook Answer Key Topic 1.3 Greater Numbers

Greater Numbers

How can you read and write greater numbers?
Capitol Reef National Park in Utah covers 241,904 acres of land.

Guided Practice

Do you know HOW?
Write each number in standard form.
Question 1.
three hundred forty-two thousand, six hundred seven

Question 2.
ninety-eight thousand, three hundred twenty

Question 3.
500,000 + 40,000 + 600 + 90 + 3

Question 4.
What is the value of the 9 in the number 379,050?

Do you UNDERSTAND?
Question 5.
Number Sense Ramos says the value of the digit 7 in 765,450 is 70,000. Do you agree? Why or why not?

Question 6.
Writing to Explain Describe how 130,434 and 434,130 are alike and how they are different.

Independent Practice

Write each number in standard form.
Question 7.
twenty-seven thousand, five hundred fifty

Question 8.
800,000 + 20,000 + 6,000 + 300 + 50

Write each number in expanded form.
Question 9.
46,354

Question 10.
395,980

Write the place of the underlined digit. Then write its value.
Question 11.
404,705

Question 12.
163,254

Question 13.
45,391

Question 14.
983,971

Question 15.
657,240

How can you show 241,904 in different ways?
place-value chart:

standard form: 241, 904
expanded form: 200,000 + 40,000 + 1,000 + 900 + 4
word form: two hundred forty-one thousand, nine hundred four

Algebra Find each missing number.
Question 16.
26,305 = 20,000 + ☐ + 300 + 5

Question 17.
801,960 = 800,000 + 1,000 + ☐ + 60

Question 18.
400,000 + ☐ + 30 + 2 = 470,032

Question 20.
300,000 + ☐ + 600 + 3 = 304,603

Question 19.
618,005 = ☐ + 10,000 + 8,000 + 5

Question 21.
200,000 + 4,000 + 60 + 3 = ☐

Problem Solving

For 22-24, use the table.

Question 22.
Write the population of each city in the table in expanded form.

Question 23.
Write the population of Columbus, OH in word form.

Question 24.
Which cities listed have fewer than eight hundred thousand people?