UNIT RATE
A motorcycle travels 75 miles in 3 hours. What is the speed in miles per hour?
75/3 = 25 miles per hour
What is 25% of 32?
32 / 4 parts = 8
Jo spent $24 at Walmart. This is 25% of the money that she took to the store. How much money did Jo have at the store?
25% = 24
50% = 48
75% = 72
100% = 96
Mikey completes 36 push-ups in 240 seconds. What is his rate of push-ups per minute?
240 sec/60 sec = 4 min
36/4 = 9 push-ups per minute
A bus travels 385 miles in 5 hours. What is the speed in miles per hour?
385/5 = 77 miles per hour
A carton weighs 320 g. It is made with 40% recycled plastic. How many grams of recycled plastic are used for the bucket?
10% of 320 = 32
40% = (4 of the 10%)
32 x 4 = 128
Royce spends $48 at the movies. This is 75% of the money that he took to the movies. How much money did he bring to the movies?
25% = 16
50% = 32
75% = 48
so 100% = $64
Nancy completes 35 push-ups in 300 seconds. What is her rate of push-ups per minute?
300 sec / 60 sec = 5 min
35/5 = 7 push-ups per minute
A car travels 210 miles in 3 hours. What is the speed in miles per hour?
210/3 = 70 miles per hour
A bucket weighs 240 g. The bucket is made with 30% recycled plastic. How many grams of recycled plastic are used for the bucket?
10% of 240 = 24
30% is 3 groups of 10%
24 x 3 = 72
Madison spent $21 at Walmart. This was 35% of her money. How much money did she bring to Walmart?
10% = 6
so 6 x 10 parts = 60
Mikey does 81 push-ups in 540 seconds. Nancy does 60 push-ups in 5 minutes.
1. Who does push-ups at a faster rate?
2. What is the rate of push-ups of the faster person?
Mikey = 540/60 = 9 min then 81/9 = 9 push-ups/min
Nancy = 60/5 = 12 push-ups/min
#Nancy is faster and completes 12 push-ups per minute.