Maths practice for 11-year-olds. - page 220 of 221
Number of problems found: 4419
- Number
Calculate the integer number divided by 24, gives 16 and the rest 7. - Air mass
What is the mass of the air in a classroom with dimensions 10 m × 3 m × 3 m? The density of air is 1.293 kg/m³. - Solid in water
The solid weighs in air 16.1 kg and in water 13 kg. Calculate the density of the solid. - Promile
Calculate the 17.6 ‰ of 353. - Tesco Clubcard
František got quarterly billing vouchers for Tesco ClubCard, taking goods worth 6.5 Eur. Calculate the average monthly amount Tesco stores bought goods. Tesco ClubCard works for every Euro spent; you get one ClubCard point, which Tesco will convert to one - Father and son
A father and son are 74 years old together. The son is 30 years younger than the father. How old is the son? - Trio
58 children lined up in groups of three. How many children did not create a trio? - Addition of Roman numbers
Add the following and write the result as a decimal number: LXXV + MCCCXV - Quiz
The tested student answered correctly on a 3/6 question. The wrong answer was 16. How many questions were answered? - Trapezium zoom
By how many times does the area of a trapezoid increase if all its sides and height are multiplied by 5? - Sumo competition
In a heaviest-man competition there were 5 competitors. The top three together weighed 369 kg. What is the minimum possible weight of the winner, given that contestants' weights are measured to the nearest kilogram? - Rectangles
Calculate how many rectangles of size 1 × 4 cm can be cut from a sheet of paper measuring 60 cm × 13 cm. - Rectangle A2dim
Calculate the missing side of a rectangle whose area is 950 m² and one side is 38 m long. - Collective irresponsibility
On the Internet, time is very uncomfortable for the state that no more gaffes or waste is no longer possible to hush up as if people were at home with only two television channels censored. An example of the effectiveness of the state can be Bridge at Kom - Isosceles trapezium
Isosceles trapezoid ADMR (AD ∥ MR) has an angle of 30° at vertex A. Calculate the size of the angle at vertex M. - Garden
A trapezoid-shaped garden has parallel sides of 19 m and 24 m. Its area is 193.5 square metres. What is the height of the trapezoid? - Area of trapezoid
The parallel sides of a trapezoid are 9 dm and 7 dm. Its height is 3 cm. Calculate the area of the trapezoid. - Rectangular trapezoid
How many interior right angles does a right-angled trapezoid have? - Present
A gift box has the shape of a cuboid with dimensions 8 × 8 × 3 cm. Miloslav wants to wrap it using square sheets of paper with sides of 18 cm. How much paper is left over? - Monkey
The monkey fell into 20 meters deep well. Every day it climbs 3 meters, at night it drops back by 2 m. On what day it gets out from the well?
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