Tuesday, November 8, 2011

Introduction to Integers

What happens when you allow “impossible subtractions” to occur?
It was 5 degrees outside at midnight.  In the next hour, the temperature dropped 8 degrees . . .
Jake has $12 but he wants to buy a Lego set that costs $15 . . .
The football team gained 5 yards but then they lost 7 yards . . .
What does it mean to be LESS THAN ZERO?