1. 1-3 (C and D) Multiplying and Dividing Integers

2. Problem of the Day During two plays of the football game, the Valley Tigers has a loss of 4 yards and a gain of 16 yards. Which of the following expressions represents the difference between the number of yards? a.16 – 4 b.-16 – 4 c.16 – (-4) d.-16 – (-4)

3. Multiplying or Dividing Integers with the same sign The product of the integers is positive. 1.-11(-4) 2.-6(-8) 3.(-4) 2 4.4 3

4. 5. -14 ÷ (-7) 6.-28 -4

5. Multiplying and Dividing Integers with different signs 1.3(-5) 2.-6(8) 3.-16 ÷ 2 4.-121 11

6. Multiplying more than two integers Count the negatives!!!!!! Even # Positive number Odd # Negative number

7. Multiply 1.-2(-5)(-6) 2.-3(4)(-2) 3. -2(-1)(-5)(-6)

8. Evaluate 1.xyz if x = -7, y = -4 and z = 2 2. 5f if f = -1 3.a ÷ b if a = -9 and b = -3 4.xy ÷(-10) if x = 8 and y = -5

9. Application A mine elevator descends at a rate of 300 feet per minute. How far below the Earth’s surface will the elevator be after 5 minutes?

10. 2. The total value of stocks held by Japanese financial institutions dropped from $987 billion to $900 billion in 6 weeks. What was the average change in value per week? Average change = subtract divide

11. 3.On December 24, 1924, the temperature in Fairfield, Montana, fell from 63° F at noon to -21° F at midnight. What was the average temperature change per hour? a. -3.5 ° F b. -7 ° F c. -42 ° F d. -84 ° F