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Writing Ratios
Equivalent Ratios
Writing Rates
Unit Rates
Distance/Speed/Cost
100
Write the ratio of FROGS to TADPOLES when there are 9 tadpoles and 14 frogs in THREE different ways?
14:9 14 to 9 14/9
100
What is an equivalent ratio to 5/15?
1/3 10/30 20/60 25/75
100
Write the rate if you made 3 baskets in 45 minutes.
3 baskets/45 minutes
100
Write the unit rate for when you have saved $28 in 4 weeks.
$7/week
100
What is my distance if I go 35 miles per hour in 3 hours?
105 miles
200
Write the ratio of SHIRTS to PANTS when I have 16 shirts and 9 pants in THREE different ways?
16 to 9 16:9 16/9
200
What is an equivalent ratio to 11/33?
1/3 22/66 33/99
200
Write the rate if something grows 8 inches in 16 years.
8 inches/16 years
200
Write the unit rate when you have 2520 kilobytes in 18 seconds.
140 kilobytes/1 second
200
What is my speed per second if I go 3096 meters in 72 seconds?
43 meters/1 second
300
Write the ratio 12 to 3 in two other ways.
12/3 12:3
300
What are two equivalent ratios to 12/16?
6/8 3/4 24/32 36/48
300
Write the rate when you have $1.40 for 4 apples.
$1.40/4apples
300
Your heart beats 240 times in 4 minutes. What is your heart rate in beats per second?
1 beat per second
300
If I have 3 boxes of cereal that cost $9.57, how much would 5 boxes cost?
$15.95
400
Write the ratio of BOYS to TOTAL people when there are 16 boys and 15 girls?
16:31 16/31 16 to 31
400
What are two equivalent ratios for 9/10?
18/20 27/30 36/40 45/50 54/60 63/70 72/80 81/90 90/100
400
State whether the rates are equivalent. 15 breaths/36 seconds 90 breaths/3 minutes
no they are not equivalent
400
If you have a box of 10 granola bars that costs $13.50 and another box of that has 15 granola bars for $19.20. Which one is the better buy?
The 15 pack of energy bars is the better buy because it has a lesser unit rate ($1.28 per bar) than the 10 pack ($1.35 per bar).
400
A plane moves 960 kilometers every 4 minutes. How does it move in 20 minutes?
4800 kilometers
500
Write the ratio of TOTAL HATS and MITTENS to COATS when there are 12 hats, 6 mittens and 13 coats.
18:13 18 to 13 18/13
500
What is an equivalent ratio for 153/90?
51/30
500
Are these rates equivalent: 24 laps/6 minutes 72 laps/18 minutes
yes they are equivalent
500
If a marathon runner completes their 26.2 mile marathon in 210 minutes, what is their rate per minute? Round to the nearest hundredth.
About 0.12 mile per minute
500
A snail moves at a rate of 870 inches in 15 seconds. What is the snails rate per second?
58 inches/second