Maths practice for 11-year-olds. - page 171 of 222
Number of problems found: 4421
- Tour circuits
Visitors to the castle can choose from three tour circuits that last 35, 50, and 70 minutes, including a short break for the guide. At 8 o'clock, the guides will go out with their groups on the route. How long would it take to meet again if everyone follo - Balls groups
Karel pulled the balls out of his pocket and divided them into groups. He could divide them in four, six, or seven, and no ball ever left. How little could be a ball? - Time clock
What are the angles of the hour hand and the minute hand if it is 0:40? - Dividing
Divide the three-line segments 13 cm, 26 cm, and 19.5 cm long for parts so that the individual pieces are equally long and longest. How long will each part be, and how many parts will there be? - Land exchange
Mr. Sova had a plot of land with an area of 3600 m². However, he exchanged it for another square plot, which was 5 m larger. How many m² does the larger land now have? - Bus passengers
There were x people on the bus. At the first stop, twice that number got on, and at the second stop, five people got off. How many people are now on the bus? - Alley
Alley measured a meters. At the beginning and end are planted poplar. How many must we plant poplars to get the distance between the poplars 15 meters? - Pounds
Three pounds subtract 1/3 of a pound. - Children and trip
The price of a one-day trip for an adult is CZK 185. The discount for a child is 50 CZK. How many crowns will the trip cost a family of four (parents and two children)? - Diameter to area
Find the area of the circle whose diameter is 26 cm. - Cinema seats
There are 15 seats in the cinema. If we know the number of seats, we will say that there are more than 390 but less than 410. - Greenhouse
In the garden the Šťastný family have a greenhouse, next to which there is a 200 litre barrel of water for watering. Per minute, 2.5 litres of water flow from the hose tap. In what time will the whole barrel be filled? For watering the greenhouse the fath - Fence from concrete
There is a 1.5 m wide trail around the lake. Dad spent 2,550 cubic decimeters of concrete in its construction. If one cubic meter costs 52 €, how much is paid for concrete? - Aquarium area
The aquarium with bottom dimensions of 75 cm and 45 cm has a volume of 135 l. What is the area of areas that are wetted with water if the surface reaches halfway around the aquarium? - Melon sales
Alfonz grew 150 melons with an average weight of 2.35 kg. He sold them for € 1.50 per kg. How much did he earn? The result is rounded to the euro. - Wood lumber
Wooden lumber is 4 m long and has a cross-section square with a side of 15 cm. Calculate: a) the volume of lumber b) the weight of the lumber if 1 m³ weighs 790 kg - Age puzzle The father is 48 years old, and the son is 21. How many years ago was the father ten times as old than the son?
- A five-digit
A five-digit odd number has the sum of all digits (digits) five and contains two zeros. If we move each digit in the number one place to the left and move the first digit to the last place, we get a number 20,988 smaller. Find this unknown five-digit numb - Hamster cage
Ryan keeps his hamster cage on his dresser. The area of the top of Ryan's dresser is 1 2/3 as large as the area of the bottom of his hamster cage. The area of the dresser top is 960 square inches. How many square inches of his dresser top are not covered - Perimeter from area
What is the perimeter of the square if its area is 64 cm²?
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