Look at the addition expression in Part 1. Rewrite this expression so that the fractions have common denominators.
What is the sum?
What common denominator can you use to find the difference,
The common denominator is 24. The difference is
To the right, because it's a positive number.
Look at Part 2. Which terms would be represented by positive numbers?
Deposit, Above, and Profit.
Which terms would be represented by negative numbers?
Spend, Loss, Decrease, and Depth.
Look at Part 3. Would the point on the number line represent being 8 feet above sea level or 8 feet below sea level?
8 feet below sea level.
How far is –8 from zero?
What number is the opposite of –8?
What do 8 and –8 have in common?
They are the same distance from zero.
Fill in the blank. The distance between a number and zero is called the number's _________.
What is the absolute value of 8? Of –8?
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