Writing Ratios
In one of Mr. Smiths classes, there are 12 girls and 20 boys. Write the ratio of girls to boys 3 ways. In simplest form
What is 3:5, 3 to 5, and 3/5 ?
A scooter traveled 2 miles in 10 minutes. At this rate, it would travel ________ miles in 40 minutes.
What is 8 miles?
Do the ratios 7/2 and 16/6 form a proportion.
SHOW YOUR WORK!!!
No. The cross multiples dont equal and they dont simplify to the same fraction.
In a bag, there are 6 red marbles and 7 blue marbles.
If there were 36 red marbles, how many blue marbles would there be?
What is 42?
What are the 2 oceans that border the United States?
Atlantic and Pacific
In one of Mr. Smiths classes, there are 13 students who play golf and 7 who do not. Write the ratio of NON-golfers to golfers 3 ways.
What is 7:13, 7 to 13, and 7/13 ?
Edward ate 15 hotdogs in 3 minutes. At this rate, it would take him __________ minutes to eat 75 hotdogs.
What is 15 minutes?
Do 7 inches in 9 hours and 42 inches in 54 hours form a proportion?
SHOW YOUR WORK!
Yes. Their cross products both equal 378, and they can both be simplified to 7/9.
In 4 hours, Tommy can mow 20 lawns. How many lawns can he mow in 12 hours?
What is 60 lawns per hour?
What element does Au represent on the periodic table?
Gold
Mr. Smith has 80 total students. 20 students do not have pets. What is the ratio of students who do not have pets to students who do have pets? Write the ratio 3 ways. In simplest form.
What is 1:3, 1 to 3, and 1/3 ?
Identify the unit rate when you earn $60 for mowing 15 lawns.
$4 for 1 lawn
Do the ratios 48/9 and 16/3 form a proportion?
SHOW YOUR WORK!
Yes, their cross products both equal 144, and they both simplify to 16/3.
Ryan is painting his house. To paint 12 rooms, he used 4 cans of paint. If he had 8 more cans of paint, how many more rooms could he paint?
24 more rooms
How many stars are on the US Flag and what do they represent?
50. The represent each state.
Mr. Smith has 75 students who like pizza and 25 students who do not like pizza. What is the ratio of TOTAL number of students to students who like pizza? Write the ratio 3 ways. In simplest form.
What is 4:3, 4 to 3, and 4/3 ?
April stapled 14 packets in 2 minutes. At this rate, it will taker her ______ minutes to staple 35 packets.
What is 5 minutes?
Do the ratios 1.8/2.7 and 2.2/3.3 form a proportion?
SHOW YOUR WORK!
Yes, their cross multiples both equal 5.94 and they both simplify to the same fraction.
A ping pong team paid $18 for 30 ping pong balls. How much would they pay for 180 ping pong balls.
$108
What is the longest river in the world?
Bonus: How many miles long is it? (within 200 miles)
The Nile.
4,132 miles
John has a cookie tray at his holiday party. On it, there are 12 chocolate chip cookies, 18 oatmeal raisin cookies, 6 peanut butter cookies, and 24 sugar cookies. Name the ratio of sugar cookies to total number of cookies in 3 ways. In simplest form.
What is 2:5, 2 to 5, 2/5?
Alex texts 24 words in 4 minutes. At this rate, he would text _______ words in 14 minutes.
What is 84 words?
Do 68 hits in 172 at bats and 43 hits in 123 at bats form a proportion?
SHOW YOUR WORK!
No, their cross products do not equal one another and they dont simplify to the same fraction.
Ms. Packey has 10 chickens. She paid $70 for 10 chickens. How many chickens could she buy with a budget of $630?
90 chickens
What is the Capital of Ecuador?
Quito