solve real-world problems to find the whole given a part and the percent, to find the part given the whole and the percent, and to find the percent given the part and the whole, including the use of concrete and pictorial models
give examples of ratios as multiplicative comparisons of two quantities describing the same attribute
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Q 1/33
Score 0
A scale model of a building is 3 feet tall. The actual building is 150 feet tall. What is the scale factor of this model?
30
1:75
1:30
1:100
1:50
Q 2/33
Score 0
A car travels at a constant speed of 60 miles per hour. How far will the car travel in 3 hours?
30
240 miles
180 miles
120 miles
60 miles
33 questions
Q.
A scale model of a building is 3 feet tall. The actual building is 150 feet tall. What is the scale factor of this model?
1
30 sec
6.5.A: Proportionality
Q.
A car travels at a constant speed of 60 miles per hour. How far will the car travel in 3 hours?
2
30 sec
6.5.A: Proportionality
Q.
A recipe for lemonade says to use 5 lemons for every 2 quarts of water. How many lemons would you need if you wanted to use 8 quarts of water?
3
30 sec
6.5.A: Proportionality
Q.
What is the equivalent decimal and percent for the fraction 3/4?
4
30 sec
6.5.C: Proportionality
Q.
Which fraction is equivalent to the decimal 0.20 and the percent 20%?
5
30 sec
6.5.C: Proportionality
Q.
What is the percent equivalent of the fraction 2/5?
6
30 sec
6.5.C: Proportionality
Q.
In a test, Jane scored 75 out of 100. What percent did she score?
7
30 sec
6.5.B: Proportionality
Q.
If there are 12 soccer balls and 4 players, what is the ratio of soccer balls to players?
8
30 sec
6.4.C: Proportionality
Q.
A recipe calls for 2 cups of milk for every 6 cups of flour. What is the ratio of milk to flour?
9
30 sec
6.4.C: Proportionality
Q.
A classroom has 18 boys and 6 girls. What is the ratio of boys to girls?
10
30 sec
6.4.C: Proportionality
Q.
Carol spends 17 hours in a 2-week period practicing her culinary skills. How many hours does she practice in 8 weeks?
11
30 sec
Q.
Which statement represents a proportion?
12
30 sec
Q.
In a shipment of 400 parts, 14 are found to be defective. How many defective parts should be expected in a shipment of 600 parts?
13
30 sec
Q.
On average, 3 birds eat 50 grasshoppers in one day. At this rate, how many grasshoppers would 24 birds eat?
14
30 sec
Q.
Joseph drives 125 miles in 3 hours. At the same rate, how far will he drive in 6 hours?
15
30 sec
Q.
If the ratio of blue cars to white cars in a parking lot is 2:5, and there are 24 blue cars in the parking lot, how many white cars are there?
16
30 sec
Q.
What is the product of 8 multiplied by 2.3?
17
30 sec
Q.
What is the product of -12 multiplied by 44?
18
30 sec
Q.
If the plumber charges $90 per hour, and it took 2 hours to fix the faucet, what would be the charge?
19
30 sec
Q.
If the plumber charges $100 per hour, and it took 3.5 hours to fix the faucet, what would be the charge?
20
30 sec
Q.
A photograph is enlarged to make a poster using a scale factor of 2.5. The photograph is 10 cm wide and 16 cm in length. What will be the width of the poster?
21
30 sec
Q.
If a model airplane is made with a scale of 1:240 and the model is 8 inches long, how long is the actual plane?
22
30 sec
Q.
Kelsey mixed 5 quarts of fruit punch for a family dinner. How many pints is equivalent to 5 quarts?
23
30 sec
Q.
Carlos made 3 quarts and 1 pint of salsa. He plans to pour the salsa into 1-cup containers. How many 1-cup servings did he make?
24
30 sec
Q.
Robert is 54 inches tall. What is his height in feet?
25
30 sec
Q.
In a school, the front office and library are 102 feet apart. How far apart are they in yards?
26
30 sec
Q.
Leo purchased 5 gallons of sweet tea to serve at a family reunion. How many quarts are in 5 gallons?
27
30 sec
Q.
After a building was demolished, the demolition company removed 12,500 pounds of rubble. What is the weight of the rubble in tons?
28
30 sec
Q.
A school with 30 classrooms has a total of 780 students. If the students are evenly distributed, what is the number of students per classroom?
29
30 sec
Q.
What is the result when you multiply 6 by 7?
30
30 sec
Q.
Carlos made 3 liters and 125 millileters of salsa. How many millileters did he make?
31
30 sec
Q.
The distance from the library to the school is 0.8 kilometers. How many meters is this?
32
30 sec
Q.
The length of a line is measured be 145 millimeters. What is its length in centimeters?
