Ratio - practice for 10 year olds
Number of problems found: 32
- Chickens
4 chickens give 4 eggs in 4 days. How many eggs can give 8 chickens for 8 days? - Ratio of perimeters
Rectangle ABCD has dimensions 3 cm and 4 cm, KLMN rectangle has dimensions 4 cm and 12 cm. Calculate the ratio of the perimeter ABCD and perimeter KLMN. - Cats
Two cats caught two mice in two days. How many mouses will catch 6 cats for 6 days? - Afternoon 1555
They paid 15 euros for an afternoon snack for 30 students. How many euros would the exact snack cost for 25 students? - Five mechanics
Five mechanics will make a car for some time. How many cars can 30 mechanics produce at the same time? - Train
The train passes part of the line for 95 minutes at a speed of 75 km/h. What speed would you have to go to shorten the driving time of 20 minutes? - Cyclist
A cyclist passes 64 km in 4 hours. How many kilometers did he pass in 7 hours? - Rabbits
Michael is breeding rabbits. His seven rabbits will eat 98 feed rations for seven days. How many should five rabbits eat equal portions of feed in 6 days? - Monthly payments
Novákovi pays for electricity, and monthly pays at the end of the year still bill 34 USD. Total per year pay 618 USD. What were their monthly payments? - Chocolate
Anthony bought 9 same chocolates for 18 Eur. How many euros will he pay for 19 chocolates? - Hammerhead 5061
The hammerhead weighs 1 kg and the handle 250 g. What is the weight ratio of these two parts of the hammer? - The horses
A couple of horses consume 88 kg of oats for 14 days. How many oats consumed seven horses at the same consumption for six days? - Mariana
Mariana wants to put 6 3/4 feet of border across the top of a wall. She has 3 6/7 feet of border. What fraction of the project can she complete? - Liquid soap
Three-member family enough liter of liquid soap for 20 days. After how many days the amount consumed when at the holidays come to us two cousins. - Two squares
Two squares with sides in the ratio 5:2 have a sum of their perimeters 73 cm. Calculate the sum of the area of these two squares. - Demonstrate 4841
The textile factory employs 600 women and men, twice as many women as men. How many women and how many men work here? Demonstrate and explain the calculation procedure. - Cooks
Four cooks cleaned 5 kg of potatoes for 10 minutes. How many cooks would have to work cleaning 9 kg of potatoes for 12 minutes? - Honza + Alice + Tonda
Honza + Alice + Tonda have a total of 111 USD. The ratio between Honza and Alena is 5:6, and the ratio between Alice and Tonda is 4:5 How much money has each of them had? - Sculpture 3215
Brass is an alloy of copper and zinc in a ratio of 3 to 2. How much copper and zinc does a sculptor need to make a brass sculpture that should weigh 15 kg? - Floor
The room's floor area is 31 m² and has a width of 4.3 m. How many centimeters of circumference measured the floor on the map at the scale 1:75?
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