Maths practice for 11-year-olds. - page 16 of 225
Number of problems found: 4487
- Number 17
The number of boys in the class is k and the number of girls is m. How many euros will the class cashier collect from them for a theater performance if one ticket costs 4.25 euros? - A sixth of a million
Please, how much is 2/6 of 10,000,000,- USD? - Asphalt - road
2933 kg of asphalt is how many m³? Use the density of asphalt as 2400 kg/m³. Help: Natural asphalt (bitumen): 1.01 – 1.05 g/cm³ (1010 – 1050 kg/m³) Asphalt mixture (for roads): 2.2 – 2.5 g/cm³ (2200 – 2500 kg/m³) Contains mineral aggregates, so it is dens - Into the bottle
The bottle can hold water weighing no more than 1 kg. Can you pour gasoline weighing the same amount into this bottle? - Stay - CK
A holiday stay costs 14,200 CZK for one person. If you pay for your stay by the end of March, the travel agency offers a discount of 4,500 CZK. How much CZK will two people pay for the trip if they pay for it by the end of March? - Bathroom 3
The bathroom measures 300x210 cm. What are the largest square tiles and how many will I need to cover the floor? - Volume of gasoline
There is 1200 kg of gasoline in the tank. The density of gasoline is 0.75 g/cm³. Calculate the volume of gasoline. - All zeros
How many zeros does the product of the numbers 10.11.12.13.14.15.20.21.22.23.24.25 end with? - In an aquarium 3
In an aquarium 60cm long and 30cm wide, water is poured to a height of 25cm. Determine the mass of the water in the aquarium. - Parallelogram 43
A parallelogram has a perimeter of 20.4 m. One of its sides is 5.5 cm long. Calculate the length of the other side. - Saleswoman 3
The saleswoman cut 650 cm from a piece of a 30-meter and 60-cm long batten. How much fabric did she have left? - Oval running
Jan runs around the circumference of a circle with a diameter of 24 m. How many kilometers will he run if he goes around the circle four times? - Chocolate 10
Anička bought three identical chocolates. Tonda bought 5 identical chocolates. Tonda paid 8 euros more than Anička. How much did one chocolate cost? - Ice rink
A rectangular rink measuring 15m and 20m long needs to be covered with a layer of ice 4.5cm high. How many liters of water are needed to create ice? - A quarter of the trees
There were 48 apple, pear, and plum trees growing in the garden. A third of the trees were apple trees and a quarter were pear trees. How many plum trees were there in the garden? - Salaries - inflation
Dad's salary was increased by 5:4. His original salary was 880€. What is his salary now? - Anna had 2
Anna had 2x more than Betka. Cilka had 12 euros more than Anna. Together, they had 92 euros. How much did each have? - Padded 2
How many square meters are needed to make 40 pieces of wooden padded equilateral triangles with sides of 30 cm and heights of 26 cm? - Apples from grandma There were apples on the table. Milan took 1/3. There were 6 apples left on the table. How many apples did Milan take?
- Pillar 4
The pillar is 10 meters high. The edge is 90 cm. How many bricks are needed to build it? 1 brick has a volume of 1.2 dm³.
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