Maths practice for 11-year-olds. - page 45 of 222

Number of problems found: 4421

Number fraction puzzle
Find a number whose two-thirds are two less than its three-quarters.
Beef price kilogram
The package of beef bought in the store had this information: 0.520 kg and a price of 64 CZK. How many crowns does 1 kg of this type of meat cost?
Divisor remainder proportion
Calculate the divisor; if the divisor is 895, the proportion is 40, and the remainder is 15.
Wood statuette density
Calculate the density of the wood from which the statuette is made. Its volume is 32000 cm³, and it weighs 20800 g.
Five-digit number creation
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
Cylinder water liters
How many liters will fit in a cylindrical container with a base area of 0.06 m² and a height of 5 cm?
Tank can filling
How many 8-liter cans can we fill from a block tank measuring 1.2 * 1m * 1.6m?
Fraction division eighth
What is 1/8 of 100/4700?
Magazine subscription savings
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?
Random event operations
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
Wire length needed
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?
Square circle difference
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.
Natural number composition
Which natural number contains 12 thousand, 15 hundred, 21 tens, and 11 units?
Test admission points
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
Vase height volume
The cylindrical vase has a volume of 1 l. If its base has an area of 0.5 dm², calculate its height.
Danka Janka age
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?
Cylinder volume diameter
Calculate the volume of a cylinder whose base has a diameter d = 22 cm and its height is 1.7 dm.
Bucket plastic material
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?

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