Ratios or Vocab
A ratio that compares a quantity to one unit of another quantity. exampe: 40 students per bus
Unit Rate
For every 4 hot dogs, 5 sodas are sold. What is the ratio of sodas to hot dogs sold?
5 to 4; 5:4; 5/4
All answers above are acceptable.
What is the unit rate if Emma reads 100 pages in 4 hours?
25 pages in an hour.
What value of x makes these ratios equivalent?
x:6 = 6:9
What is 4
What is another word for "equivalent"?
Proportional
Two parallel number lines that show how quantities are related by a ratio.
Double Number line
There are 3 pineapples and 5 bananas. What is the ratio of bananas to total fruit?
5:8
What is the unit rate for 4 trays with 40 ice cubes
10 ice cubes per tray
What value of x makes these ratios equivalent?
x/6 = 8/12
What is 4
Is this a proportion?
2/3 and 4/6
Yes
What two operations will produce equivalent ratios?
A. Adding
B. Subtracting
C. Multiplying
D. Dividing
C, D: Multiplying and Dividing
Which is a better buy?
2 lbs of apples for $4 OR 5 lbs of pears for $15?
The 2 pounds of apples are a better buy because the apples costs $2 a pound while the pears cost $3 for a pound.
Unit rate=$5.28 for 24 cans
$0.22 for 1 can
What value of x makes these ratios equivalent?
6/10 = 18/x
What is 30
Is this a proportion?
14/28 and 1/3
No
Write 11 limes to 6 lemons as a ratio in 3 ways.
11:6, 11/6, 11 to 6
What holiday is on Nov. 11th
Veterans Day
What are unit rates?
They are rates per one unit.
What value of x makes these ratios equivalent?
x/12 = 9/36
What is 3
Is this proportion?
15/32 and 30/64
Yes
To change something from one form or unit to another.
Convert
Kami bought 3 lbs of nectarines for $1.50 and 2 lbs of oranges for $0.60. Which fruit cost less per pound?
The oranges are a better buy because it cost $0.30 per pound while the nectarines cost $0.50 per pound.
What is the unit rate if Bryan buys 3 movie tickets for $42?
$14 per ticket
What value of x makes these ratios equivalent?
3:8 = 15:x
What is 40.
Is this a proportion?
16/21 and 32/63
No