Direct relationship - practice for 11 year olds - page 5 of 8
Number of problems found: 160
- Letohrad 4396
On a map at a scale of 1:400,000, the distance between Letohrad and Prague is 4.5 cm. What speed does Dad have to go to be in Prague at 9 o'clock when he leaves at 6 o'clock, 40 minutes? - Cube
One cube has an edge increased five times. How many times will larger its surface area and volume? - Distance 4268
The map's scale is 1:10000. What is the actual distance of 4cm on the map? - Breads and bakery
In the bakery, the baker baked 3900 pieces of bread in 6 days. How many breads are baked in one day? How many bakes per month (month=30 days) - Bicycle gears
The toothed wheel on the bicycle pedal has 40 teeth, and the wheel on the rear wheel has only 16 teeth. How many times does the rear wheel turn if the pedals rotate 50 times? - Rails
18 m railway weighs 1260 kg. How much weighs 100 m of welded railways? - Change the numbers in the ratio
Change the numbers 29, 38, and 43 in a 3:4 ratio. - Unknown number 5
Daniel thinks of an integer. When he change this number at a ratio of 2:5, he got the number 2.8. Determine what number Daniel thinks. - Good swimmer
A good swimmer swims 23 m distance with ten shots. How many shots does he swim to an island located at 81 m if he still swims at the same speed? - Sugar
From 3 tons of sugar, beet produced 480 kg of sugar. How many tons of sugar was produced from 17.5 tons of sugar beet? - Distance 3575
The distance between the two cities is 25km. This distance was drawn on the map by a line 5 cm long. What is the scale of the map? - The sidewalk
The sidewalk is 50 m long. What will the length of the plot plan be on a scale of 1:200? - Small city
The length of the street is 230 m. What will its image length be on the plan at a scale of 1:2500? - Minutes 3475
A scribe with an average speed of 250 strokes per minute would write text in 16 minutes. How many minutes longer would she write the exact text at an average rate of 200 beats per minute? - Tributary 3466
The swimming pool is filled with four inflow pipes in 9 hours. If one tributary is broken, how long will it be filled? - Supply 3464
Hay stock is enough for four horses for 60 days. How long would this supply last for ten horses? - Many 3449
I eat four cows in 5 days and 16 bags of hay. How many bags will five cows eat in 5 days? - Chocolates 3448
If we pay 1.40 euros for two chocolates, how much will we pay for five chocolates? - Recycled 3365
A recycled paper made from 1.5 tons of old paper is equal to that made from 10 trees. How much paper do pupils collect to save 100 trees from falling? - Proportion 3343
Mom makes sheep's cheese and cow cheese spread in a 5:3 ratio for two children. What proportion do they have to mix sheep cheese and cow cheese if they make the same spread in the school cafeteria for 350 children?
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