Maths practice for 11-year-olds. - page 206 of 230
Number of problems found: 4584
- Janka and Danka
Janka and Danka began to read the books the same day. Janka had 276 pages, Danka 204 pages. They agreed that both read the same number of pages every day until They read their books. A) How many maximum pages do they have to read the day to honor their ag - Biketrial
Kamil was a bike trail. Before hill, he set the forward gear with 42 teeth and the back with 35 teeth. After how many exercises (rotation) of the front wheel do both wheels reach the same position? - Embroidered 2131
Fractions. Elena embroidered a picture with 15 flowers. In a week, she managed to sew five flowers. What part of the embroidery does he still have to do? - Gearing
Gearing consists of two wheels. One is 88, and the second is 56 teeth. How many times turn the smaller wheel to hit the same teeth as in the beginning? How many times will we turn the biggest wheel? - Dressmaker
The dressmaker left a piece of canvas shorter than 5 meters. She was deciding whether to sew a skirt or dress. The canvas was exactly as much as they had consumed, having cut up her skirt to 120 cm or 180 centimeters. What a piece of canvas left her? - Trams 2
The square passes two tram lines. One runs every nine minutes, and the second interval is 15 minutes. Two tram lines arrived in the square exactly at noon. How soon should a similar situation arise again? - Apples 2
How many minimum apples are in the cart? Is it completely divided into packages of 6, 14, and 21 apples?
- Painter 3
Dad wants to paint the wall high 250 cm, wide 230 cm with wallpaper. How many meters must he buy wallpaper if the wallpaper width is 60 cm? - Third dimension
Calculate the third dimension of the cuboid: a) V = 224 m³, a = 7 m, b = 4 m b) V = 216 dm³, a = 9 dm, c = 4 dm - 3 buses
Morning at 5:00 am, three buses started from one place. The first travel in five-minute intervals, the second at 10-minute intervals, and the third at 25-minute intervals. At what hour will the three buses again come from the same place? - Octagon from rectangle
We cut the corners of a rectangular tablecloth with dimensions of 4 dm and 8 dm into isosceles triangles. Thus, the octagon formed had an area of 26 dm². How many dm² of tablecloth do we cut down? - Car model
The car model is 52 mm long, and the real car is 4524 mm long. What was the scale of the model car? - Kilograms 2099
The truck crane has a load capacity of 4 tons. How many kilograms can we overload it if the maximum limit of 115 percent load capacity is allowed? - Car consumption
The car has passed 988 kilometers and consumed 66 liters of petrol. What is the consumption per 100 kilometers? - Wall painting
The wall is 4 meters wide and 2 meters high. The window in the wall has dimensions of 2x1,8 meters. How many liters of color are needed to paint two-layer these walls if the one m² needs 1 liters of paint?
- Hectoliters
How many hectoliters of water fit into the cuboid tank with dimensions of a = 3.5 m, b = 2.5 m c = 1.4 m? - Performance
The same number of tickets sold for 15 CZK, 20 CZK, 30 CZK, and 40 CZK, a total of CZK 13,230 for theatre performances. How many tickets were sold for this performance? - Seeds
The field has a rectangular shape with 128 m and 350 m dimensions. How many kg of seed is needed for sowing if the one m² will consume 25 g of seeds? - Brackets
Place one pair of brackets in the expression 20-16 + 10 - 4 - 2 so that the result will be 0. - Buses
At the bus stop at 10 o'clock met buses No. 2 and No. 9. Bus number 2 runs at an interval of 4 minutes and bus number 9 at intervals of 9 minutes. How many times does the bus meet at 18:00 local time?
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