Maths practice for 11-year-olds. - page 227 of 229
Number of problems found: 4566
- Tourist
Tourists walk at 4.1 km/h. Every 5 km has a 20-minute break. How many kilometers were walked when they started at 4:40 and finished at 10:30? - Right triangle
Right triangle legs have lengths 630 mm and 411 dm. Calculate the area of this triangle. - Circle
How big is the area of a circle if its circumference is 51.2 cm? - Fan
The fan has a speed of 155 RPM. Calculate for the time of one fan period. - DIY press
Under the socialist regime, in some socialist countries, owning a typewriter required special permission. That has hindered the spread of DIY literature (manually transcribed through carbon copy paper for typewriters). Calculate how many typewriters today - Aquarium II
Calculate how much glass we need to build an aquarium with a rectangular shape with a base of 65 cm × 52 cm and a height of 74 cm if the waste is 2%. The aquarium doesn't have top glass. - Thrift woman
Calculate how long grandmother will save on new shoes priced 116 euros if she saves 2 Eur monthly.
- Number
Calculate the integer number divided by 34, gives 10 and the rest 25. - Air mass
What is the weight of the air in a classroom with dimensions 10 m × 3 m × 3 m? The air density 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
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
Added together and written as decimal numbers: LXVII + MLXIV
- Quiz
The tested student answered correctly on a 4/8 question. The wrong answer was 16. How many questions were answered? - Trapezium zoom
How many times should the area of the trapezoid be increased if all sides and altitudes increase 5 times? - Sumo competition
In the competition for the heaviest man was 5 competitors. The first three together weighed 369 kg. What is the minimal weight of the winner if a contestant weighed with an accuracy of one kilogram? - Rectangles
Calculate how many squares/rectangles of size 4×3 cm we can cut from a sheet of paper of 36 cm×32 cm. - Rectangle A2dim
Calculate the side of the rectangle if you know that its area is 2590 m² and one side is 74 m.
Do you have unsolved problem that you need help? Ask a question, and we will try to solve it. Solving math problems.
