Maths practice for 11-year-olds. - page 96 of 226
Number of problems found: 4508
- Equation solving testing
Solve the equation: 5x- (6x + 9) = 10x + 2- (x + 5) Please test the left and right sides. Thank you. - The central
A circular sector has a central angle of 30° and a radius of 15 m. Determine its perimeter. - Sheet metal cutting
The plumbers have to cut sheet metal measuring 220 cm and 308 cm into squares of equal size so that the squares are as large as possible and the sheet metal is used without residue. How many such squares will they cut? Determine the side of this square. - Two hundred
Two hundred ten athletes competed in three athletics races on three fields. One hundred-five athletes competed in the first, 60 in the second, and everyone else in the third. On the individual courts, the athletes were divided into groups. Although compet - Granddaughter
In 2014, the sum of the ages of Meghan's aunt, her daughter, and her granddaughter was equal to 100 years. We know the age of each can be expressed as the power of two. In what year was the granddaughter born? - Shepherd
Kuba makes a deal with a shepherd to take care of his sheep. Shepherd said to Kuba that he would receive twenty gold coins and one sheep after a year of service. But Kuba resigned just after the seventh month of service. But the shepherd rewarded him and - The classroom
The classroom is 9 meters long. Its width is smaller and can be passed in equally long steps of 55 CM or 70 CM. Find the width of the classroom. - Cat litter
Dominik teaches his kitten to go to the cat toilet for litter. He needs to fill the toilet halfway, but he needs to know how many bales of litter to buy. Please advise him if you know that the toilet has a bottom measuring 0.43 m and 3.5 dm and is 11 cm d - Sand loading
The truck, with a load capacity of 7 tons, has a storage area of 4.5 m and 2.1 m. The weight of 1 m³ of wet sand is 2,000 kg. How high can we load the sand, so the car's load capacity is not exceeded? - The car
The car travels at a speed of 70 km/h. What distance will it travel in 2 hours? - Bus departure time
Three buses are leaving the bus station. The circuit of the first bus lasts 1 hour, 24 minutes, the second 150 minutes, and the third 2 hours. When will they leave together? - Class nationality
There are d children in the class. Three children are of Vietnamese nationality m of Hungarian and Czech children. The remaining children have Slovak nationality. How many are there? - Trip cost
In September, the trip cost CZK 12,000. How many crowns did the trip cost in June of the same year, when they have since reduced the price by a quarter and another CZK 1,200? - The goldfish
The goldfish floats close to the wall of a circular pool with a radius of 10 m. How many meters does it pass when it makes two circuits in the pool? (indicate the result to one decimal place) - Park trail length
The circular park has an area of 31400 m². A trail runs across the center of the park. How long is it? - Sprinkler irrigation area
The rotary sprinkler has a spray of 18 m. How much land can it irrigate from one place? - Bus average speed
A bus travels from Prague to a destination, taking 1 hour and 30 minutes and covering 105 km. Calculate the average speed of the bus. - Pool filling time
How long does it take to fill a pool measuring 6x4x1 m at a flow rate of Q = 0.2 dm³ / s? - Territory
In an old legend about the founding of Rome, it is said that Romulus and Remus could obtain for their city as much land as a single hide from a bull would cover. Romulus and Remus came up with a trick, they cut the hide into strips and with them bounded t - On the floor 2
The living room's floor area is 9 7/9 m². A carpet covering an area of 5 5/8 m² is placed on the floor. Find the area of the room that is not covered with carpet.
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