1. Writing Expressions
Ch. 6-1 D

2. It’s all about the math terms!
There are only 4 types of math;
Add Subtract Multiply Divide
Sum
Plus
Total
In All
*More Than
Difference
Minus
Less
Fewer
Subtract
Product
Times
Multiplied by Of
Quotient
Divided by
Evenly
Half
One Third

3. Defining a variable and writing expressions
Four times more than Elliot
Half as many pages as George
The width of a box that is 4 inches less than the length
The cost of a CD and a $12 DVD
e for Elliot
4e ∙ e 4(e)
g for George’s pages
g ÷ 2 or g/2
l - 4
l for length of a box
c for cost of a CD
c + 12

4. What about this one??? d for the drinks
Shoko and her friends bought three medium drinks and a box of popcorn at the movies. The popcorn cost $3.50. Define a variable and write an expression to represent the total amount of money they spent.
d for the drinks
Remember…they bought MORE than 1 drink but ONLY 1 popcorn!!! 3d

5. WB pg. 94 How many more medals the USA won than Germany.
How many fewer medals Australia won than Great Britain.
How many medals were won by the USA, Australia and France combined
m for USA; m + 41
a for Australia; a
a for Australia & m for USA; a + m + 40

6. WB pg. 94
USA won 26 more than three times the number of medals by Italy.
Four airline tickets plus a $55 extra luggage fee.
About 1.6 kilometers in every mile; 1st find m miles, 2nd find 5 miles
i for Italy; 3i + 26
t for tickets; 4a + 55
1.6m; x 5 = 8.0 km

7. WB pg. 93