Adding/Subtracting Integers
-7 - 10
-17
(2)(3)
6
The temperature outside is -4°C. The temperature rises by 7°C in the afternoon. What is the new temperature?
3°C
List 3 examples of integers.
3, -6, 1
What is Ms. Lu's hobby?
4 + (-3)
1
4(-6)
-24
A scuba diver is 15 meters underwater. Then they dive down 12 meters deeper. What is their new depth as an integer?
-27 meters
TRUE OR FALSE:
0 is an integer
TRUE
What university did Ms. Lu attend?
UofT
- (-5) + (-2)
3
2(-3)(-1)
-11
A hiking group descends a mountain at a rate of 3 meters per minute. What integer represents their total change in altitude after 8 minutes?
-24 meters
TRUE OR FALSE (+explain)
-21.0 is an integer
TRUE
There is no number after the decimal point
-21.0 can be written as -21
Which two subjects does Ms. Lu teach?
Math and English
-9 - 4 - 1 - (-2)
-12
-5(-2)(2)(-1)
-20
Your bank account has a balance of -$40. You deposit $100, and then you buy groceries for $45. What is your final bank balance?
$15
Which number is larger? Explain.
-10 or -9
-9 is larger since it is further to the right on the number line
What kind of shows does Ms. Lu like to watch?
Thriller/horror/mystery
-4 - (-6) + (-2) - (-5) - 5
-2(-3)(5)(-1)(-4)
120
At midnight, the temperature is -6°C. For the next 4 hours, the temperature drops 2°C every hour. Then, the sun comes up, and the temperature rises 3°C. What is the final temperature?
-11°C
List three real world occurrences of negative integers.
Sports scores, temperature, banking, elevation, stock market, etc.
What is the name and breed of Ms. Lu's dog?
Bambi; poodle