1. AUGUST 21, 2009 Rational Number - Word Problems

2. EXAMPLE 1 The highest recorded temperature in the U.S. was in Death Valley, California at 134°F. The lowest temperature was recorded at Prospect Creek, Alaska at - 80°F. What is the difference between these two temperatures?

3. EXAMPLE 1 The highest recorded temperature in the U.S. was in Death Valley, California at 134°F. The lowest temperature was recorded at Prospect Creek, Alaska at - 80°F. What is the difference between these two temperatures?

4. EXAMPLE 1 The highest recorded temperature in the U.S. was in Death Valley, California at 134°F. The lowest temperature was recorded at Prospect Creek, Alaska at - 80°F. What is the difference between these two temperatures?

5. EXAMPLE 2 Americans use about 2.5 million plastic bottles every hour. About how many plastic bottles are used on one day?

6. EXAMPLE 2 Americans use about 2.5 million plastic bottles every hour. About how many plastic bottles are used on one day?

7. EXAMPLE 2 Americans use about 2.5 million plastic bottles every hour. About how many plastic bottles are used on one day?

8. EXAMPLE 3 The president of a small business is looking at her profit/loss statement for the past year. The loss in income for the last year was $23,985. On average, what was the loss per month in the last year?

9. EXAMPLE 3 The president of a small business is looking at her profit/loss statement for the past year. The loss in income for the last year was $23,985. On average, what was the loss per month in the last year?

10. EXAMPLE 3 The president of a small business is looking at her profit/loss statement for the past year. The loss in income for the last year was $23,985. On average, what was the loss per month in the last year?

11. EXAMPLE 4 A recipe for buttermilk biscuits called for 3 1/3 cups of flour. How many cups do you need for ½ the recipe?

12. EXAMPLE 4 A recipe for buttermilk biscuits called for 3 1/3 cups of flour. How many cups do you need for ½ the recipe?

13. EXAMPLE 4 A recipe for buttermilk biscuits called for 3 1/3 cups of flour. How many cups do you need for ½ the recipe?