Maths practice for 11-year-olds. - page 32 of 223

Number of problems found: 4457

Diameter 81003
The pot has a diameter of 24 cm and a height of 5 dm. How many liters of water are in the pot if it is half full?
King of Bohemia
King of Bohemia Charles IV divided the entire family wealth among all his descendants. Wenceslas IV received 5/18, his younger brother Sigismund of Luxembourg received 1/9 less from his father than Wenceslas IV. Jan Zhorelecki was assigned 6/63. Which of
Volume 81001
The volume of the cuboid is 3/25 m³. The base area is 6/25 m². What is its height?
Cube surface
Calculate the cube's surface with the edges of the length: 2 half cm, 3.5 cm; it is a quarter of a cm.
Minutes 80992
Three eggs are cooked in 15 minutes; how long will it take to cook 15 eggs at once?
Denominator 80875
Given a fraction whose denominator is 2 greater than its numerator. If we increase both the numerator and the denominator of this fraction by 7, we get the fraction 5/6. Which fraction is it?
Dimensions 80848
We want to cover a wall with dimensions of 4m x 250cm with square marble tiles with the largest possible dimensions of the sides of the tiles so that there are no losses caused, for example, by cutting them during tiling. How many tiles will we need for t
Calculate 80793
The liquid has a specific gravity of γ = 9050 N. m-3. Calculate its specific gravity, the mass of 2 m³ of this liquid, and also of 3 m³ of this liquid.
Hydrostatic 80790
The hydrostatic pressure at a depth of 6.5 m in an open liquid container is 79.5 kPa. What is the specific gravity of this liquid?
Copier paper
A standard package of printer and copier paper is labeled 80 g/m², which means that one square meter of such paper weighs 80 g. How much does one sheet of A4 size (dimensions 210 × 297 mm) weigh? The result is rounded to whole grams.
Education 80771
Miška finished ninth fastest and fifth slowest in physical education class. How many girls ran in PE class?
Toothpaste 80763
Little Jirka wanted to know how much toothpaste was in the tube, so he gradually squeezed it all out and there was a cylinder of toothpaste in the room. Can you guess how long it might have been? Calculate the values: the internal diameter of the paste ne
Unknown 80760
If we add 5 to twice the unknown number, we get the number 6.02
Originally 80757
There were 45 sheep and several shepherds in the meadow. After half of the shepherds and a third of the sheep left the meadow, the remaining shepherds and sheep had a total of 126 legs. All sheep and all shepherds usually had leg counts. how many shepherd
Determine 80754
The perimeter of triangle MAK is 216 mm, side a = 81 mm, and side k = 62 mm. Determine the side length of the triangle OSA if the triangle MAK is congruent to the triangle OSA.
Dimensions 80753
We color a wooden block with dimensions a = 4 cm, b = 3 cm, c = 2 cm and then cut it into cubes of 1 cm³. How many cats will she have? a) just one wall painted b) just two walls stained c) just three walls painted d) no painted wall?
Between 80751
A cork floats on a bowl of water. Is the action between the water and the cork static or dynamic?
Dimensions - cardboard
The statements are sold in cardboard boxes – for example, the microwave oven box has dimensions of 52 cm, 32 cm, and 40 cm, and 0.4 m² of cardboard is added to the folds. How many square meters of cardboard are needed for 1,000 boxes?
Calculate: 80736
Gaius Julius Caesar was born in 100 BC. He was murdered when he was 56 years old. Calculate: a) in what year was he murdered? b) How many years ago was he born? c) How many years ago did he die?
Subtract 80730
I think a number. If I multiply it by three and then subtract 120, I get the number 900. What is that number?

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