1. Warm-Up
Find the error:
2) Evaluate:

2. Order, Order, Order
What do the words ace, lost, bent, and below all have in common?
(hint look at the letters)
* All the letters are in alphabetical order.

3. In 5 steps or more explain how you would make a peanut butter and jelly sandwich? (Don’t leave out any details)

4. Splash Screen

5. Lesson 1-1 Expressions and Formulas
Lesson 1-2 Properties of Real Numbers
Lesson 1-3 Solving Equations
Lesson 1-4 Solving Absolute Value Equations
Lesson 1-5 Solving Inequalities
Lesson 1-6 Solving Compound and Absolute Value Inequalities
Contents

6. Example 1 Simplify an Expression Example 2 Evaluate an Expression
Example 3 Expression Containing a Fraction Bar
Example 4 Use a Formula
Lesson 1 Contents

7. PEMDAS Parentheses Exponents Multiplication/Division (left to right)
Addition/Subtraction (left to right)
Using the Order of Operation try to evaluate this expression:

8. Find the value of First, subtract 2 from 7. Then cube 5.
Multiply 125 by 3.
Subtract 375 from 384.
Finally, divide 9 by 3.
Answer: The value is 3.
Example 1-1a

9. Find the value of
Answer: 9
Example 1-1b

10. Replace s with 2 and t with 3.4.
Evaluate if and
Replace s with 2 and t with 3.4.
Find 22.
Subtract 3.4 from 4.
Multiply 3.4 and 0.6.
Subtract 2.04 from 2.
Answer: The value is –0.04.
Example 1-2a

11. Evaluate if and
Answer: –110
Example 1-2b

12. Evaluate the numerator and the denominator separately.
Evaluate if , , and
Evaluate the numerator and the denominator separately.
Multiply 40 by –2.
Example 1-3a

13. Simplify the numerator and the denominator. Then divide.
Answer: The value is –9.
Example 1-3b

14. Evaluate if and
Answer: –23
Example 1-3c

15. Replace h with 8, b1 with 13, and b2 with 25.
Find the area of a trapezoid with base lengths of 13 meters and 25 meters and a height of 8 meters.
Area of a trapezoid
Replace h with 8, b1 with 13, and b2 with 25.
Add 13 and 25.
Multiply 8 by .
Multiply 4 and 38.
Answer: The area of the trapezoid is square meters.
Example 1-4a

16. The formula for the volume V of a pyramid is ,
where B represents the area of the base and h is
the height of the pyramid. Find the volume of the
pyramid shown below.
Answer: 50 cm3
Example 1-4b