LESSON 2.3 Name

Problem Solving Strategy Approximate Make a Table Desert Continent Area (sq mi) Make a table to solve. Sahara Africa 3,500,000 The Sahara Desert in Africa Simpson Australia 56,000 has an area of about 3,500,000 square miles. The Simpson Mojave North America 15,000 Desert in Australia has an area Kalahari Africa 225,000 of about 56,000 square miles. In North America, the Mojave Desert has an area of about 15,000 square miles; and the Kalahari Desert in Africa has an area of about 225,000 square miles.

1. Which desert has the 2. Which two deserts are located greatest area? on the same continent?

Sahara Sahara and Kalahari

3. Which deserts have an area of 4. On which continent is the desert less than 100,000 square miles? with the least area located?

North America

Mixed Review

5. Write 3,000,000 20,000 6. Write the numbers in order 5,000 300 70 2 in from least to greatest: 254,879; standard form. 2,254,920; 1,678,305; 353,502.

Compare. Write , ,or in the .

7. 354,992 288,492 8. 7,394,398 7,394,398 © Harcourt 9. 394,234 3,294,394 10. 6,187,249 61,872,490

11.9,421,720 12.210,076 13.8,176,553 14. 172,442 6,198,135 935,811 30,602 172,435 3,223,585 1,145,887 8,207,155 7

15. 786 421 365 16. 2,779 460

PW8 Practice LESSON 2.3 Name

Problem Solving Strategy Approximate Make a Table Desert Continent Area (sq mi) Make a table to solve. Sahara Africa 3,500,000 The Sahara Desert in Africa Simpson Australia 56,000 has an area of about 3,500,000 square miles. The Simpson Mojave North America 15,000 Desert in Australia has an area Kalahari Africa 225,000 of about 56,000 square miles. In North America, the Mojave Desert has an area of about 15,000 square miles; and the Kalahari Desert in Africa has an area of about 225,000 square miles.

1. Which desert has the 2. Which two deserts are located greatest area? on the same continent?

Sahara Sahara and Kalahari

3. Which deserts have an area of 4. On which continent is the desert less than 100,000 square miles? with the least area located?

Simpson and Mojave North America

Mixed Review

5. Write 3,000,000 20,000 6. Write the numbers in order 5,000 300 70 2 in from least to greatest: 254,879; standard form. 2,254,920; 1,678,305; 353,502.

254,879; 353,502;

3,025,372 1,678,305; 2,254,920

Compare. Write , ,or in the .

7. 354,992 288,492 8. 7,394,398 7,394,398 © Harcourt 9. 394,234 3,294,394 10. 6,187,249 61,872,490

11.9,421,720 12.210,076 13.8,176,553 14. 172,442 6,198,135 935,811 30,602 172,435 3,223,585 1,145,887 8,207,155 7

15. 786 421 365 16. 2,779 460 2,319

PW8 Practice