Subtracting Integers
Subtract the integers
7 - 10
What is -3?
Add the integers
6+(-4)
2
If I have 0 dollars in my bank account and then I spend 10 dollars, what integer represents my debt?
-10
What happens when you subtract a negative?
The answer gets bigger.
Subtract the integers
-5 - 7
What is -12?
Add the integers
-3+2
-1
A scuba diver is 10 feet below the water, they ascend 3, and then descend 20, what depth are they at now?
-27
What happens when you subtract a positive?
The answer gets smaller
Subtract the integers
6- (-4)
What is 10?
Add the integers
-5+ (-6)
-11
If you made 50 dollars, lent out 100 dollars, made 12, dollars and then lost 17 dollars, how much money do you have?
-55
What happens when you add a negative?
The amswer gets smaller (or more negative).
Subtract the integers
-9 - 4 - 1 - (-2)
What is -12?
Add the integers
-12 + (-4) + (-3)
-19
Ritaj is 17 feet below sea level and Douaa is 689 feet above sea level, what is the distance between them?
806 feet
What happens when you add a positive?
The answer gets bigger or more positive
Subtract the integers
-4 - (-6) - 2
What is 0?
Add the integers
-20 + 3
-17
An airplane starts its journey at 2300 feet, by the end of the journey it is at 18 000 feet. What was its change in elevation?
15700
What are +3 and -3 called or referred to as?
Opposite integers