Unit Rates
150 miles in 3 hours. What is the unit rate?
50 mph
Convert 60% to decimal.
0.6
–7 + 4 =
-3
4.5 + 1.25 =
5.75
Probability of rolling a 3 on a number cube?
1/6
If 8 notebooks cost $24, what is cost per notebook?
$3
What is 10% of 90?
9
–9 – (–3) =
-6
8.32 – 6.9 =
1.42
A spinner lands red 5 out of 20 times. Experimental probability?
1/4
A student runs 300 meters in 50 seconds. What is meters per second?
6 m/s
A $50 item is discounted 20%. New price?
$40
–8 × 6 =
-48
3/4 × 12 =
9
Sample space when flipping two coins.
HH, HT, TH, TT
A machine produces 450 items in 6 hours. Items per hour?
75 per hour
A price goes from $200 to $260. % increase?
30%
–56 ÷ –7 =
8
4.8 ÷ 0.2 =
24
Probability of heads then tails?
1/4
You read 195 pages in 3¼ hours. What is pages per hour?
60 pages/hour
30% of a number is 75. What is the number?
250
What is the opposite of –25?
25
2/3 ÷ 1/6 =
4
A bag has 3 red and 7 blue marbles. Probability of blue?
7/10