1. Stacy ran a race in 45.38 seconds. Is this closer to 45 seconds or 46 seconds?

2. In this lesson you will learn how to round decimals to the nearest whole number by using a number line.

3. Let’s Review = 0.3 = 0.30 equivalent

4. rounding $36.87$40.00

5. A Common Misunderstanding 0.8 0 1 Not dividing the whole into the correct number of equal parts. 0 1

6. Misapplying a rounding “rule” in order to solve a problem. 4.484.55.0 4.484.0

7. Core Lesson 3 4 3.4 What is 3.4 rounded to the nearest whole number? Between which two whole numbers is 3.4? 3.4 0.40.6 < = 3.0

8. 7 8 7.65 What is 7.65 rounded to the nearest whole number? Between which two whole numbers is 7.65? 7.65 0.650.35 > 7.67.607.77.70 = 8.0

9. 2 3 2.50 What is 2.50 rounded to the nearest whole number? Between which two whole numbers is 2.50? 2.50 0.500.50 = 2.5 The distance between the points is equal! If the distance is equal, the numeral will always round up. = 3.0

10. 45 46 45.38 Stacy ran a race in 45.38 seconds. Is this closer to 45 seconds or 46 seconds? Between which two whole numbers is 45.38? 45.38 0.380.62 < 45.345.3045.445.40 = 45.0

11. In this lesson you have learned how to round decimals to the nearest whole number by using a number line.