Definitions
Unit Rate
A car travels at a rate of 150 miles per hour and has traveled 3 hours what is the unit rate of the car
50:1
15 5
---- = ----
x 10
30
Write the ratio 35:5 two different ways
35/5 and 35 to 5
write an equivalent ratio for 2/3
4/6, 6/9 etc.
two ratios that name the same comparisons
Equivalent Ratio
There are 312 cards in 6 decks of cards.
52 cards in 1 deck
x 12
---- = ----
9 3
36
Nate has 5 green marbles and 3 red marbles. Write the ratio of red marbles to the total number of marbles all 3 ways.
3 to 8, 3:8 , 3/8
write an equivalent ratio for 5/10
10/20,15/30 etc
Comparison of two quantities by division
Ratio
$3.77
52 12
---- = ----
13 x
3
Write the ratio 16 to 3 two different ways
16:3, 16/3
Write an equivalent ratio for 7/14
14/28,21/42 etc
a ratio that compares to two quantities that have different units of measure
Rate
Jen bought 2 notebooks for $10. What is the unit rate?
5/1
12 markers
There are 3 girls and 4 boys taking music lessons. Write the ratio that compares the number of boys taking music lessons to the total number of students taking music lessons
4:7 or 4/7 or 4 to 7
write an equivalent ratio for 30/60
60/120 etc.
what does this symbol mean
l -5/8 l
Absolute Value
Sylvio's flight is scheduled to travel 1,792 miles in 3.5 hours. At what average rate will the plane have to travel to complete the trip on time?
512 miles per hour
Amos bought 5 cantaloupes for $8. How many can he buy for $24?
15
Write the ratio 100 miles per hour three different ways
100 to 1 100/1 100:1
write an equivalent ratio 50/150
100/300