Ratios
Identifying Ratios
Vocab
Word Problems
Mis.
Equivalent Ratios
Number Stories
Decimals & Percents
Percents and Decimals and fractions
Mis.
100
List 4 word ques for ratios
for every, for each, to, per
100
There are 8 green marbles for every 2 blue marbles.
What is the ratio of the number of green marbles to blue marbles?
8:2
or
4:1
100
What is the top number of a fraction called?
Numerator
100
A ratio, such as 3:2, only tells us two numbers. It does not tell us......
It does not tell us which two quantities the ratio relates.
100
What is the least common multiple of 6 and 4?
12
100
What two operations will produce equivalent ratios?
A. Adding
B. Subtracting
C. Multiplying
D. Dividing
C
D
100
Ten people share 5 oranges. What fraction of oranges does each person get?
1/2
100
10/10
100% 1.0
100
What is 1/5 as a decimal and percent
.2
20%
100
The first president of the United States.
Who was the African American child to integrate an all-white elementary school
Who said, "I have a Dream"
Who led the first successful farm workers union in American history
What is the biggest bird in world
George Washington
Ruby Bridges
Martin Luther King
Ceasar Chavez
Ostrich
200
A ratio is a ___________ between two or more numbers.
What are the two types of ratios?
Relationship or Comparison
Part to Part
Part to Whole
200
At the ostrich farm there are 10 goats to 38 chickens. What is the ratios of chickens to goats?
a) 10/38
b) 5/19
c)6/13
d)19/5
D) 19/5
200
What vocabulary word means the same as equal?
Equivalent
200
A weather report indicated that it rained 4 days in the last week. Write a ratio that compares the number of days it rained to the number of days it did not rain in the last week
4:3
200
Which is the greatest common factor of 8 and 24?
8
200
Write two equivalent ratios for 3/4.
6/8, 9/12, 15/20, 18/24
200
On Monday morning, Kim received 120 e-mails and responded to 60 e-mails. What is the ratio of e-mails that Kim received to the mails that she answered?
120:60 or 2:1
200
1/10
10% .1
200
3/4 gallon of milk is poured into 2 bowls. How much milk is in each bowl?
3/8
200
Convert 48 inches to feet.
Show work and units.
4 ft
300
There are 15 boys, 25 girls, and 27 adults at the school assembly. Write the ratio of children to adults.
Using all 3 notations.
40:27 40/27 40 to 27
300
Which statement below is represented by the correct ratio?
Choose two that apply.
A. "For every 8 red cars I see in the parking lot, there are 5 blue buses." The ratio of cars to buses is written as 5:8.
B. "For every 2 cups of flour, I add 6 cups of sugar." The ratio of flour to sugar is written as 1:3.
C. "There are 4 monkeys at the zoo for every 1 tiger." The ratio of monkeys to tigers is written as 4:1.
D. "I have 10 red beads for every 8 blue beads on my bracelet." The ratio of red beads to green beads is 5:3
B and C
300
What is the bottom number in a fraction called?
Denominator
300
Jessica bought 3 oranges for $1.23.
What is the cost of each apple?
A. $0.41
B. $1.01
C. $3.69
D. $0.51
A. $0.41
300
Find the greatest common factor of 6 and 32.
A. 2
B. 32
C. 96
D. 192
A. 2
300
What value of b makes these ratios equivalent?
3:8 = 15:b
b=40
300
Jason had 25 quarters. He put 7 of them in his bank. What fraction of quarters did Jason put in his bank?
7/25
300
2/5
.40 40%
300
What percentage of 30 is 12?
40%
300
How many minutes in 360 hours.
21600 min
400
Write the three notations of ratios using variables
a/b a to b a:b
400
A pet pen tank contains 8 Allados and 12 Kukus.
What is the ratio of Allados to Kukus?
A. 12:8
B. 2:3
C. 3/2
D. 8:16
B. 2:3
400
A table of Equivalent Ratios
2 -Visual Models used to represent Ratios
Ratio Table
Tape diagrams and Double Number Lines
400
Dren needs to save an additional $585 before he can purchase a car for mom son. She plans to save $15 each week.
At this rate, at the end of how many full weeks will he have enough money to purchase the car?
A. 30
B. 35
C. 37
D.39
D. 39
400
Carlos says the ratio of text messages he gets to the number of minutes is 9 : 1. Which statement is true?
A. Carlos receives 1 text message every 9 minutes.
B. Carlos receives 81 text messages every 36 minutes.
C. Carlos receives 36 text messages every 9 minutes.
D. Carlos receives 81 text messages every 9 minutes.
D
400
What value of x makes these ratios equivalent?
x/6 = 8/12
X=4
400
Max ate 1/6 of the pizza. How much of the pizza is left?
5/6
400
3/8
37.5% .375
400
Ms. T’s last math test had 20 questions. A student correctly answered 13 problems; what percentage of the test did the student get correct?
65%
400
The Ruiz family drove at an average speed of 65 miles per hour. They drove for 5 hours. How far did the Ruiz family drive?
325 miles
500
for every 3 cups of sugar we need 5 cups flour. Create a ratio table up to 21 cups of sugar.
sugar | 3,6,9,12,15,18,21
flour | 5,10,15,20,25,30
500
Daily Double!!
Mr. Goodridge needs 10 lbs. of ground turkey to make super nachos. At Walmart 3lbs of Ground turkey costs $11.94.
How much should Mr. Goodridge expect to spend on 10 lbs. of ground turkey?
$39.80
500
A number that value does not change/ is fixed
constant
"c"
500
A mini van travels a distance of 108 miles in 4 hours.
What is the speed in miles per hour?
27 mph
500
Which of these is an example of driving at an average rate of 8 miles per hour?
A. driving 10 miles in 8 hours
B. driving 40 miles in 5 hours
C. driving 24 miles in 4 hours
D. driving 40 miles in 6 hours
B. driving 40 miles in 5 hours
500
Write two equivalent ratios for 56/28.
14:28, 7:14, 1:2
500
What fraction of an hour is 15 minutes?
1/4
500
8/1000
.008 .8%
500
What is 60% of 75?
45
500
What is Ms. Beauregard's favorite color, fruit, hobby, food?
Black/gold
Strawberries, Pineapple
Painting, walking
Shrimp