Maths practice for 11-year-olds. - page 47 of 225

Number of problems found: 4488

Measuring 67014
Gold's density is 19200kg/m³. How much does a gold bar weigh 25cm, 8cm, and 37mm?
Calculate 66974
Calculate the density of the wood from which the statuette is made. Its volume is 32000 cm³, and it weighs 20800 g.
Five-digit 66894
Create all five-digit numbers in ascending order from three, four, and two zeros.
Strawberries - pulp
Marta and Alice bought their children strawberries. They ate most of them, each making pulp from the remaining strawberries. Marta filled her entire cube-shaped container with dimensions 5.2cm, 1dm, and 8.3cm; Alice had a cube-shaped container with an edg
Cylindrical 66744
How many liters will fit in a cylindrical container with a base area of 0.06 m² and a height of 5 cm?
Measuring 66734
How many 8-liter cans can we fill from a block tank measuring 1.2 * 1m * 1.6m?
100/4700 66704
What is 1/8 of 100/4700?
Subscription 66664
One issue of the moderator's magazine costs 1.61 euros. The annual subscription for 12 issues is 18 euros. How much will you save on one issue when subscribing to a magazine?
Operations 66444
Consider an experiment with a dice. Let us define the random events A={at most 3}, B={roll more than 1}, C={roll 2, 3, 4}. Determine the random event D that is given by the operations A∪B \ B∪C
Measured 66384
The wire measured 109.3 cm and was 0.327 m shorter than the pupils needed in the class. How long did the pupils need?
Difference 66354
A circle is inscribed in a square with a side of 12 cm so that it touches all its sides. Calculate the difference between the area of the square and the circle.
Contains 66184
Which natural number contains 12 thousand, 15 hundred, 21 tens, and 11 units?
Achievement 66164
The test consisted of 50 questions, each with one possible correct answer. The test result is given by the sum of the correct answers, a maximum of 100 points. The criterion for admission was the achievement of 50 points. The study applicant answered 36 q
Cylindrical 66114
The cylindrical vase has a volume of 1 l. If its base has an area of 0.5 dm², calculate its height.
Together 65964
Danka and Janka are the same age. If one were ten times less and the other five times less, they would only have three years together. How old are Jana and Danka?
Cuboid container
We have a block-shaped container measuring 20 cm x 30 cm x 45 cm. How many 5 cm cubes will fit in it?
Calculate 65924
Calculate the volume of a cylinder whose base has a diameter d = 22 cm and its height is 1.7 dm.
Centimeters 65884
The plastic bucket has the shape of a cylinder with a diameter of 25 cm and a height of 40 cm. How many square centimeters are needed to produce it? How many liters does it contain when filled 5 cm below the rim?
Increased 65874
Honza received CZK 2,830 every month. He saved from December to October. In May, he increased his pocket money by CZK 2,370, and in August, he saved two times more than in May. How much did he save in October?
Isosceles 65784
An isosceles triangle has an angle of 78°20' at the base. Calculate the size of the angle between the arms.

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