Download
1 / 11
110 likes | 120 Views
Starter 9-19-16 Log into ixl and work on C.3 (up to an 70; if you already have an 80, get a 100) Quiz autopsy (adding and subtracting integers). Multiplying & Dividing Integers. State the rule for multiplying and dividing integers…. If the signs are the same,.
E N D
Starter 9-19-16 • Log into ixl and work on C.3 (up to an 70; if you already have an 80, get a 100) • Quiz autopsy (adding and subtracting integers)
State the rule for multiplying and dividing integers…. If the signs are the same, If the signs are different, the answer will be negative. the answer will be positive.
Different Signs Negative Answer What’s The Rule? 1. -8 · 3 4. 6 ÷ (-3) -24 -2 2. -2 · -6 5. 20/-5 12 -4 Same Signs Positive Answer 4 3. (-3)(6) -18 6. -10 ÷ (-2) 5
7. At midnight the temperature is 8°C. If the temperature drops 4°C per hour, what is the temperature at 6 am? How much does the temperature drop each hour? How long Is it from Midnight to 6 am? -4 degrees 6 hours (6 hours)(-4 degrees per hour) Add this to the original temp. = -24 degrees 8° + -24° = ____°C 8° + -24° = -16°C
8. A deep-sea diver must move up or down in the water in short steps in order to avoid getting a physical condition called the bends. Suppose a diver moves up to the surface in five steps of 11 feet. Represent her total movements as a product of integers, and find the product. Multiply What does This mean? (11 feet) (5 steps) (55 feet) 5 · 11 = 55
Create two problems for your desk partner to complete. 9. 10.
9-19-16 1st period Worksheet: multiplying and dividing integers
