Maths practice for 11-year-olds. - page 109 of 226
Number of problems found: 4508
- Prism height calculation
Calculate the height of a regular quadrilateral prism whose base is a rhombus. The edge in the base is 7 cm long, the opposite edges are 5 cm apart, and we also know that the entire body has a volume of 1 dm³. - Driving distance
We drove 336 km in 4 hours. How many km would we drive at the same speed in 5 hours? - Length of the arc
What is the arc length of a circle k (S, r=68 mm), which belongs to a central angle of 78°? - Two sides paint
The door is a rectangle with dimensions of 260 cm and 170 cm. How many cans of paint will be needed to paint this door if one can of paint cover 2 m² of the area? We paint the doors on both sides. - Dividing nuts
How many nuts do you have when dividing them between 2, 3, 4, 5, 6, 8, and 10 children? (smallest possible number) - Fraction multiplication puzzle
The result of multiplying two fractions is 9 3/5. If one of the fractions is 9 3/7, find the other fraction. - Block side calculation
The block has the dimensions a = ?, b = 10 m, c = 6.2 m, the surface is 192.04 m². What is the length of side a? - Tram stop
The blue tram stops every 12 minutes, and the red one stops for 8 minutes. At 8 o'clock, they left the stop together. How many times do they meet at a stop before 11 AM? - My father
My father cut 78 slats on the fence. The shortest of them was 97 cm long, and the longer one was 102 cm long. What was the total length of the slats in cm? - Largest squares
How many of the largest square sheets did the plumber cut the honeycomb from 16 dm and 96 dm? - Pool tile calculation
The main swimming pool has a bottom paved with square tiles with a side of 15 cm. How many tiles lie at the bottom of the pool? (pool dimensions are 50 m long and 25 m wide. Water depth 1.6 m) - Stadium perimeter steps
How many steps does a person mow a rectangular football stadium around its perimeter? The dimensions of the stadium are 100 m and 50 meters. The length of a person's stride is 75 cm. - Two tasks
A children's sandbox has the shape of a triangle, two sides measure equally 3 metres and the last one has 50 dm. Calculate the perimeter of the children's sandbox in mm. A children's mould has the shape of a triangle with all three sides of the same lengt - Rectangle dimension options
What dimensions can rectangles with an area of 24 cm² have? - Square dimension calculation
What are the dimensions of a square with an area of 49 dm square? - Garden fencing cost
The rectangular garden is 40 meters long and 35,000 millimeters wide. How many meters of fencing does the landowner need? How much will it cost for him if 1 meter costs 5 euros? - City map distance
The cities of Košice and Prešov are 39.5 km apart. What will be their distance on a map with a scale of 1:5000000? - Square plot paving
We will pave a square plot of land from rectangular tiles with 25 cm and 30 cm dimensions. What is the smallest square plot we can pave with these tiles without cutting them? - Farm animal count
The farm keeps cows, horses, and sheep. There are 37 cows, which is 25 more than the sheep. There are seven times fewer horses than cows and sheep combined. How many animals do they keep on the farm together? - Library
We purchased new books for the library. Five-eighths were professional books, one-fifth were encyclopedias, and 231 books were dictionaries. How many professional books were there?
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