Ratio - practice for 11 year olds - page 8 of 11
Number of problems found: 208
- Cutting 2768
Cutting a wooden board into five parts takes 20 minutes. All slices are the same length. How long would it take to cut into eight pieces if we still cut at the same speed? - Children's 2730
When weighing the bodies from the children's kit, it turned out that one cube had the same weight as three cylinders and two cylinders had the same weight as six pyramids. How many pyramids have the same mass as one cube? - Division of money
Calculate how many euros Matthew, Miriam, Lucy, Michael, and Janka, when together, have 2,700 euros, and the amounts are at a ratio of 1:5:6:7:8. - Cows
Twenty cows have food for 60 days. We reduce the dose to two-thirds for 18 cows. How many days will it feed?
- Determine 2510
Anna, Peter, Rado, Mišo, and Tomáš shared the amount of 250 euros in the ratio 1:1:1:1:1. Find how much each of them received. - Money split
Anton and Ferko got 2,500 euros together. The amount was split in a 1:4 ratio. How much did each get? - Glass
At the glass shop, we have to cut eight sheets of glass. Each was shaped as a square with sides of 18 cm. We paid 44 CZK. How much is 1 m² of glass? - Ratios
Divide: a) 250 CZK in the ratio of 2:3 b) 1000 CZK in the ratio 4:7:9 - Ratio - rectangle
The rectangle has dimensions of 6 cm and 9 cm. How many times increases the area and its perimeter when its dimensions increase in the ratio of 5:3?
- Scale of the map
Determine the map's scale, which is the actual distance of 120 km l represented by a segment long 6 cm. - Dairy
Diary workers calculated according to the standards from the 108 liters of milk can produce 9 kg of cheese. According to norms, how many tons of cheese could be made from milk from 100 cows devoted for 30 days with an average daily milk yield of 10 liters - Pumps
Six pump fills the tank for three and a half days. How long will fill the tank with seven equally powerful pumps? - Apples
Mr. Vesely gives the market his own 48 kg of apples, 40 kg from Mr. Kovar, and 72 kg from Mr. Novak. They earned a total of 1,920 CZK. How must we divide income money for apples? - String
Divide the string length 800 cm in ratio 1: 5
- Janitor
Janitor tosses 26 cm layer of snow on the school grounds for 90 minutes. How many friends would have to call for help if snow needs to have bowled for 15 minutes? We assume that at the same time bow all the same amount of snow. - Troops - soldiers
Food stocks will last 20 soldiers of the 4-day training. How many days could they extend training if four soldiers become sick? - Supermarket cashiers
When only two checkouts are open in a supermarket, people wait in line for an average of 12 minutes. How much will the average waiting time in line be reduced if they open three more ticket offices? - Hurry - rush
At an average speed of 7 km/h, I will come from the school to the bus stop for 30 minutes. How fast do I need to go if I need to get to the bus stop in 21 minutes? - Peppers
In the box are yellow (a), green (b), and red (c) peppers. Their amount is in a ratio of 2:4:1. Most are yellow peppers and green the least. Calculate the peppers for each type if the total number is 70.
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