Agenda: September 23, 2008
EQ: What are exponents?
BR: Evaluate the expression.
- 2 X 2 X 2 X 2
- 3x when x = 6
- (x)(x)(x) when x = 4
- x – 8 when x = 17
- y x y x y x y x y when y = 3
Lesson:
- Discuss BR.
- Discuss power, exponent, and base.
- Express the meaning of the power in words and then with numbers of variables.
- Evaluating expressions.
- Discuss grouping symbols.
- Evaluating expressions with two variables.
- Evaluating expressions with grouping symbols and exponents.
- Discuss the origins of the terms squared and cubed.
- Finding the volume of cubes by using the formula V = s3.
- Discuss a word problem using volume and exponents.
Assignment:
Algebra I Textbook: pp. 12 – 14 #’s 17 – 59 odd, 61 – 67 odd