1. Warm-up: Write an algebraic expression for each word phrase.
Have your homework out on your desk when I come around to check it!
Complete the following problems on your own paper.
Write an algebraic expression for each word phrase.
1. The sum of 3 and y.
2. the quotient of r and 12
3. 13 more than the product of 2 and j
4. 8 less than the quotient of 4 and p
Write a word phrase for each algebraic expression.
5. 2t – 9
(y + 3.3)
The cost of a telephone call is 75 cents plus 25 cents per minute.
Write an algebraic expression that models the cost of a
telephone call that lasts t minutes.

2. Check Homework

3. Adding and Subtracting Real Numbers
Objectives:
To classify numbers.
To compare numbers.
To add and subtract real numbers.
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Natural Numbers - 1, 2, 3, 4, 5…
Whole Numbers – 0, 1, 2, 3, 4, 5…
Integers - …-3, -2, -1, 0, 1, 2, 3…
Rational Numbers – May be written as quotients (or fractions), terminating or repeating decimals.
Examples)
Irrational Numbers – Cannot be written as quotients. Decimals that do not terminate or repeat.

4. REAL NUMBERS

5. Adding Integers….. TUG of WAR
Negative Team
Positive Team
Examples:

6. ** KEEP CHANGE CHANGE…. Then do Tug of War!!!
Subtracting Integers…..
** KEEP CHANGE CHANGE…. Then do Tug of War!!!
Negative Team
Positive Team
Examples:
– (-3)
4. 6 – (-8) – (-10)

7. Another Method…. When adding….
If the signs are the same…. Keep the sign and add the numbers.
If the signs are different, take the difference between the numbers and keep the sign of the larger number.

8. RACE TO THE TOP

9. If time……

10. “Tiger” Riddle worksheet
Homework:
“Tiger” Riddle worksheet
QUIZ TOMORROW