Ratio Basics
There are 4 red balls and 6 blue balls. Write the ratio of red balls to blue balls in simplest form.
4:6
Complete the equivalent ratio: 3:5 = 6:___
10
A bag contains red and blue marbles in the ratio 2:3. How many total parts are in this ratio?
5 parts
A machine fills 24 bottles in 6 minutes. How many bottles does it fill per minute?
4 bottles/minute
A cyclist travels 30 km in 2 hours. What is their average speed in km/h?
15 km/h
A classroom has 12 boys and 18 girls. What is the ratio of boys to girls in simplest form?
2:3
Find the missing number: ___:12 = 5:4
15
Red and blue marbles are mixed in a ratio of 3:2. If there are 10 marbles altogether, how many are red?
6 red marbles
A package of 5 pencils costs $7.50. What is the cost per pencil?
$1.50
A car travels at 18 km/h for 3 hours. How far does it travel?
54 km
A fruit basket contains 5 apples, 7 oranges, and 8 bananas. What is the ratio of oranges to the total number of fruits?
7:20
Find the missing number: 8:12 = ___:27
18
A trail mix contains raisins and almonds in a ratio of 2:5. If the total mixture weighs 140 g, how many grams are almonds?
100 g
A 350 g package of cereal costs $4.20. What is the price per 100 g?
$1.20 per 100 g
A car travels 96 km in 1.5 hours. What is its average speed?
64 km/h
There are 36 students in a class. Of these, 14 walk to school, 10 take the bus, and the rest ride bicycles. What is the ratio of students who ride bicycles to students who walk?
6:7
Complete the three-part ratio: 4:7:9 = 12:X:Y
21 and 27
Two friends split $420 in a ratio of 4:3. How much more money does the first friend receive than the second?
$60
Store A sells 5 notebooks for $17.50. Store B sells 8 notebooks for $26.40. Which store offers the better deal?
Store B ($3.30 per notebook vs. $3.50)
A runner completes 7.2 km in 48 minutes. What is their average speed in km/h?
9 km/h
Two drinks are made using syrup and water. Drink A has a syrup-to-water ratio of 3:5. Drink B has a ratio of 5:9. Which drink has a higher concentration of syrup? MUST EXPLAIN WHY
Drink A
A rectangle has a width-to-length ratio of 5:8. Its perimeter is 78 cm. What are its width and length?
Width = 15 cm, Length = 24 cm
A paint mixture uses red, yellow, and blue paint in the ratio 2:3:5. If 18 litres of yellow paint are used, how many litres of paint are made altogether?
60 L
A 300 g package of nuts costs $4.80. At the same rate, how much would 875 g of nuts cost?
$14.00
Train A travels 270 km in 3 hours. Train B travels 350 km in 4 hours. If both continue at their constant speeds, how much farther will Train A travel than Train B over 6 hours?
15 km farther