Maths practice for 11-year-olds. - page 155 of 230
Number of problems found: 4587
- Saturday 6031
You need to read 105 pages of the book over the weekend. You know that the time you can spend reading on Saturday and Sunday is 3:4. How many parties do you plan for Saturday, and how many for Sunday?
- Rectangular 6030
The aquarium has a rectangular base of 0.5 m × 0.3 m. By immersing the irregular body, the level enters by 3 cm. Calculate the volume of the body.
- Equator 6020
The Equator. ..40075 km train. ..300m. How many trains would fit on the Equator?
- Banknotes 6018
Juraj has only five euros and ten euros in the treasury, with a total value of 40 euros. How many banknotes does it have if there are six times less than ten euros?
- Greater 6016
I think the number to which when I add 32, and I get a number 42 greater than -23
- 1-meter-wide 6001
A 1-meter-wide sidewalk will be paved around the block-shaped pool in the garden. The dimensions of the bottom of the pool are 8.5 meters and 6 meters. The height of the pool walls is 2 meters. There are 86.7 m³ of water in the pool. How high did the wate
- Dependence 5997
Sound travels in the air at a speed of 330 m/s. Build a table of the dependence of the distance the sound travels in a given time (for 1 to 10, one second at a time). Write the equation of the relevant dependence.
- Received 5995
Jeníček, Karel, and Martin shared the money from the brigade in a ratio of 2:4:3. Karel received the most, namely 12.60 euros. How much did Jeníček and Martin get together?
- In the Gargen
Workers will pave a 1-meter-wide sidewalk in the garden with tiles around the block-shaped pool. The dimensions of the bottom of the pool are 8.5 meters and 6 meters. The height of the pool walls is 2 meters. How many m² of pavement will be laid with tile
- Bitoo and Reena
Bitoo ate 3/5 part of the apple, and the remaining part was eaten by his sister Reena. How many parts of an apple did Renna eat? Who had the larger share? By how much?
- Two numbers 6
Fill two natural numbers a, b: 7 + blank- blank = 5
- Rabbits 5980
Twenty rabbits have hay for 60 days. For how many days will five rabbits have them?
- Corridor 5979
A mature man, whose step is 3/4 m long, crossed the corridor 46 steps. How many steps will a boy with 60 cm long steps take her?
- Cylinder-shaped vase
If the cylinder-shaped vase is filled with water up to 35 cm, it contains 1 liter of water. How much water will it contain if it is filled to a height of 45cm?
- Zdeněk
Zdeněk picked up 15 l of water from a 100-liter full-water barrel. Write a fraction of what part of Zdeněk's water he picked.
- Toilets
Federal law requires all residential toilets sold in the United States to use no more than 1 3/5 gallons of water per flush. Before this legislation, conventional toilets used 3 2/5 gallons of water per flush. Find the amount of water saved in one year by
- Volume of cone
Find the volume of a right circular cone-shaped building with a height of 9 m and a radius base of 7 m.
- Blueberries 5961
One and a half kg of blueberries costs 90 CZK. How many crowns does 2 kg of blueberries cost?
- Numbers 5959
What is half of 3/8 and 9/4? And write ten times bigger numbers.
- Reception 5951
At the embassy reception, everyone knows at least one foreign language: 15 people speak English 12 people speak German 7 both How many people does this society consist of if no one speaks another language?
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