Unit Rates
What number is always on the bottom of a unit rate?
1
75432 + 3345
78777
What is a percentage considered "out of"?
100%
What do you do when you see two negative signs next to each other?
Turn them into a plus!
What do you call the letter that represents an unknown value?
Variable
What does the word per mean?
Per means 1!
56741 - 9785
46956
Can you have a percentage greater than 100%?
Yes!
5 - (-7)
12
What do you call the number attached to the front of the variable?
the coefficient
Which is an example of a unit rate? She ran 4 miles in 60 minutes or she ran 4 miles in 1 hour?
She ran 4 miles in 1 hour.
742 x 12
8904
What is 50% of 100?
50
-7 + - 8
- 15
What operation (+, -, x, /) is happening in the expression 5x?
What is the unit rate of 21/7?
3/1
12.3 x .93
11.439
What is 50% of 50?
25
- 12 + 3
-9
Translate this statement into an expression using numbers, letters, and symbols. Double x subtracted from 13
13 - 2x
Mary swam 15 laps in 10 minutes. How many laps did she swim per minute?
1.5 laps per minute
2/3 + 7/9
1 4/9
What is 10% of 70?
7
- 4 - (-9)
5
Solve the expression for x = 3.
2x + (5 - x)
8