Maths practice for 11-year-olds. - page 17 of 213
Number of problems found: 4252
- A sixth of a million
How much is 2/6 of $10,000,000? - Asphalt - road
2,933 kg of asphalt is how many m³? Use the density of asphalt as 2,400 kg/m³. Note: Natural asphalt (bitumen): 1,010–1,050 kg/m³ Asphalt mixture (for roads): 2,200–2,500 kg/m³ (Contains mineral aggregates, so it is denser.) - Into the bottle
A bottle can hold water weighing no more than 1 kg. Can the same bottle hold gasoline of the same mass? - Stay - CK
A holiday stay costs 14,200 CZK per person. If you pay by the end of March, the travel agency offers a discount of 4,500 CZK. How much will two people pay for the trip if they pay by the end of March? - Bathroom 3
A bathroom measures 300 × 210 cm. What is the largest square tile size that can be used to cover the floor without cutting, and how many such tiles will be needed? - Volume of gasoline
There is 1,200 kg of gasoline in a tank. The density of gasoline is 0.75 g/cm³. Calculate the volume of the 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 60 cm long and 30 cm wide, water is poured to a height of 25 cm. Determine the mass of the water in the aquarium. - Parallelogram 43
A parallelogram has a perimeter of 20.4 cm. One of its sides is 5.5 cm long. Calculate the length of the other side. - Saleswoman 3
A saleswoman cut 650 cm from a piece of batten that was 30 metres and 60 cm long. How much of the batten did she have left? - Oval running
Jan runs around a circle with a diameter of 24 m. How many kilometres will he run if he goes around the circle four times? - Chocolate 10
Annie bought three identical chocolates. Tony bought 5 identical chocolates. Tony paid 8 euros more than Annie. How much did one chocolate cost? - Ice rink
A rectangular ice rink measuring 15 m × 20 m needs to be covered with a layer of ice 4.5 cm thick. How many litres of water are needed to create the ice? - A quarter of the trees
There were 48 apple, pear, and plum trees in a garden. A third of the trees were apple trees and a quarter were pear trees. How many plum trees were there? - Salaries - inflation
Dad's salary was increased in the ratio 5:4. His original salary was €880. What is his salary now? - Anna had 2
Anna had 2 times more money than Betty. Celia had 12 euros more than Anna. Together, they had 92 euros. How much did each of them have? - Padded 2
How many square metres of material are needed to make 40 equilateral triangular wooden pads with sides of 30 cm and a height of 26 cm? - Apples from grandma There were apples on the table. Milo took 1/3 of them. There were 6 apples left on the table. How many apples did Milo take?
- Pillar 4
A square prism pillar is 10 metres high with a base edge of 90 cm. How many bricks are needed to build it if 1 brick has a volume of 1.2 dm³? - Water lily
A father placed 4 containers with water lilies in a newly built pond. The containers were cylindrical with a diameter of 55 cm and a height of 27 cm. What is the total volume of all four water lily containers in litres?
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