1.  Warm-up

2. 49. The high temperature is 208C.The low temperature is -158C.What temperature is halfway between the high and the low? 50. The low temperature is -88C.The temperature halfway between the high and the low is 58C.What is the high temperature? 51. The high temperature is -108C.The low temperature is-158C.What is the temperature halfway between the high and the low?

3.  Warm-up  The temperature rose 9°F in 3 hours. IF the starting temperature was -5°F, what was the final temperature?

4. Warm-up  Matt is playing a game. He gains, 7 points, loses 10 points, gains 2 points, and then looses 8 points. What is his final score?  The temperature changed from 5°F at 6 pm to -2°F at midnight. How much did the temperature decrease?

5. Warm-up Kim was walking down a rocky path. For 4 minutes, the elevation dropped steadily. Altogether it dropped 8 feet. What was the change in elevation per minute for the 4 minutes?

6. 1. How do you find the product of two numbers when a. both are positive? b. one is positive and one is negative? c. both are negative? d. one is 0? 2. How do you find the quotient of two numbers when a. both are positive? b. one is positive and the other is negative? c. both are negative? d. the numerator is 0? 3. Suppose three numbers are related by an equation in the form a 3 b = c where a, b, and c are not equal to 0. Write two equivalent number sentences using division. Write all reflections in complete sentences. DO NOT WRITE THE QUESTION.

7.  Warm-up  As a front passed, the temperature changed steadily over 6 hours. Altogether it changed -18 degrees. What was the change in temperature per hour for the 6 hour period?

9.  PreAP Warm-up

10. 1. Explain what you think each word means when it is used to make a comparison. a. ratio b. percent c. fraction d. difference 2. Give an example of a situation using each concept to compare two quantities. a. ratio b. percent c. fraction d. difference Write all reflections in complete sentences. DO NOT WRITE THE QUESTION.

11.  PreAP Warm-up

12. 1. The director of a recreation center wants to compare the 10 boys to the 20 girls who attend its camping program. a. How would you make a comparison using fractions? b. How would you make a comparison using percents? c. How would you make a comparison using ratios? d. How is your percent comparison related to your ratio comparison? e. How is your fraction comparison related to your percent comparison? 2. a. Explain how you would scale up the ratio 10 boys to 14 girls to find equivalent ratios. b. Explain how you would scale down the ratio 10 boys to 14 girls to find equivalent ratios. Write all reflections in complete sentences. DO NOT WRITE THE QUESTION.

13.  PreAP Warm-up