Direct relationship - practice for 11 year olds - page 7 of 8
Number of problems found: 160
- Gasoline consumption Skoda MB
Consumption of cars for 100 km is 6.6 liters of gasoline 1 liter of gasoline costs € 1.274. How many euros did grandfather spend when the car traveled 321 km? - Two monuments
The distance between two historical monuments on a map with a scale of 1:500000 is 48 mm. Find the actual distance between these monuments in km. - 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?
- Pumps 5
Five pumps pumped in 3 hours 1800 hl of water. How many hectoliters of water were pumped by four equally powerful pumps in 6 hours? - 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? - Motor oil
Thirty liters of oil cost 28.80 Euros. How much cost a liter? - Painter 3
Dad wants to paint the wall high 250 cm, wide 230 cm with wallpaper. How many meters must he buy wallpaper if the wallpaper width is 60 cm? - Car model
The car model is 52 mm long, and the real car is 4524 mm long. What was the scale of the model car?
- 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. - 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 - Examples 1895
Examples of direct ratios from the given report topics: Number of workers Number of products Time per product Number of working hours Amount of earnings
- 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? - Pumps 3
Two pumps of the same power fill the garden pool for 10 hours. How many of these pumps would we have to use if we want to shorten the filling of the pool to four hours? - 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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