Maths practice for 11-year-olds. - page 19 of 229
Number of problems found: 4579
- The denominator
Find unknown denominator in fraction inequality: 6/5>41/_>8/7 - Sifted sand
At a construction site, the sand used in mortar is sifted through a sieve. In the process, 1/6 of the coarse sand falls through. Determine how many cubic meters must be brought in to obtain two cubic meters of sifted sand. - Balls 6
Janka has balls in her bag that could be divided fairly between 4, 5, or 6 children. How many balls does Janka have in her bag? - Goods 83898
How much did the goods cost if 2/3 of them cost 450 euros? - Rectangle - perimeter, side
From the formula for calculating the perimeter of a rectangle, express the length of side b and find its size for o = 28 cm, a = 7.5 cm. - Fifths 83882 What is two-fifths of 175?
- Minutes 83870
How many minutes is five-sixths of half an hour?
- Classmates 2 Classmates Peter, Vlado, and Michael arrived late to school. Peter was 1/4 hour late, Vlado was 2/8 hours late and Michael was 4/16 hours late. How many minutes late was each of them?
- Stella 83799
Stella rolls a die from 1 to 6. How many times does she have to roll the die to be sure that the sum will be 4? - Write 18
Write as a fraction, what part of the day Tina did various activities: a) sleep 9 hours, b) school 6 hours, c) television 0.5 hours and d) studying 1.5 hours. - Calculate 83788
The angles alpha and beta are adjacent. Calculate the size of the angle beta if alpha is 57°. - Total
How many trees are there in an orchard if one-seventh of all trees are cherries, one-quarter are pears, half of the trees are apple trees, and the remaining 3 trees are plums? - DEnsity of a cuboid
What is the density of a building board in the shape of a cuboid with dimensions 1 m, 20 cm, and 20 cm, if its mass is 84 kg? - Consecutive 83783
Can you find three consecutive whole numbers such that the sum of the first and third is 128? - Truck bed
Calculate how many trucks can transport grain from the combine hopper, which is a quadrilateral with a rhombus base with sides of 13dm and 2.8m and a height of 200 cm to the longest side. The hopper is 200 cm long. The truck bed is a cuboid with sides of
- Bottom diameter
Milan poured 2 dl of fruit juice into a cylindrical glass with a base diameter of 6 cm. How high did the juice level in the glass reach? - Glass vessel
The cylinder-shaped glass vessel is 1 m high and has a volume of 196.25 l. Calculate the diameter of the container. - Cylindrical column
What is the mass of a reinforced concrete cylindrical column with a radius of 30 cm and a height of 4.5 m if the density of reinforced concrete is 2400 kg/m³? Round the result to whole kilograms. - Minutes 83730
In one minute, 3 and 1 and a half liters of water flow out. How many liters of water will flow out in 2 and 1 half minutes? - Sheet metal troughs
A farmer orders sheet metal troughs from a tinsmith for loading calves on pasture. The tinsmith looks at a picture of the trough and estimates how much sheet metal he will need for one trough. Determine the sheet metal consumption, add 15% for waste and j
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