When do we use negative numbers?
- When it is very cold and we have temperatures below zero. For example, 10 degrees below 0 or -10 degrees.
- When we spend money, we can say we are in debt or spent 10 dollars, which is written as -$10.
- When we go under the water, we can say we are 5 feet below the surface, or -5 feet.
- In a football game, the team can lose yardage. For example, if a team lost 10 yards, we could write this as -10 yards.
BONUS POINTS: Find 5 words that signal whether you use a positive number (add ) or negative number (subtract) in a word problem.