Today will quickly review:
What is a VARIABLE? A letter that represents a number. Maybe the number changes, maybe we don't know it yet.
What is an EXPRESSION? combines variables numbers 3 x n +6; x/3 -6
Why do we write expressions?
Translating English Words into Expressions
In your workbook divide a half page into chart with 4 sections
+
-
x
/ (Division symbol)
As you correct the homework from last night add words to your chart. Write words that have to do with Addition in the + section, write words that have to do with Subtraction in the - section and so on.
Last night's Homework Questions
#3. Write down the correct answer to questions #1-5 on a blank piece of paper. (You do not need to write down the question)
http://www.mathgoodies.com/lessons/vol7/expressions.html
4. Play:
http://www.math-play.com/Algebraic-Expressions-Millionaire/algebraic-expressions-millionaire.html
Copy down any 2 questions and their correct answers.
Tonight's homework
p 380 #1, #5, #6 (5 and 6 may already be finished!!)
