1. Lesson 9 MI/Vocab negative numbers- numbers less than zero positive numbers- numbers greater than zero Opposites- numbers that are the same distance from zero in opposite directions Integers- positive whole numbers, their opposites, and zero Use integers to represent real-world data.

2. Lesson 9 Ex1 Use Integers to Represent Data GROWTH Write an integer that represents a height increase of 3 inches. An increase represents a positive number. Answer: The integer is +3 or 3.

3. A.A B.B C.C D.D Lesson 9 CYP1 WEATHER Write an integer that represents a temperature of 12 degrees above zero.

4. Lesson 9 Ex2 Use Integers to Represent Data GOLF Write an integer that represents a golfer who is seven shots below par. The word below represents a negative number. Answer: The integer is –7.

5. Lesson 9 CYP2 1.A 2.B 3.C 4.D FOOTBALL Write an integer that represents a loss of 8 yards on the second down.

6. Lesson 9 Ex3 Graph an Integer on a Number Line Graph –2 on a number line. Draw a number line. Then draw a dot at the location that represents –2. Answer:

7. 1.A 2.B 3.C Lesson 9 CYP3 Graph –5 on a number line.

8. Lesson 9 Ex4 WEATHER The table shows the lowest temperatures in some cities and towns. Make a line plot of the data. Draw a number line. –10 would be plotted farthest to the left and 15 farthest to the right. So you can use a scale of –10 to 15. Put an x above the number that represents each temperature in the table. Make a Line Plot Answer:

9. A.A B.B C.C D.D Lesson 9 CYP4 VIDEO GAMES The table shows Carter’s score each time he played a video game. Make a line plot of the data.