Maths practice for 11-year-olds. - page 38 of 224
Number of problems found: 4470
- Cuboid surface area
Calculate the surface area of a cuboid with dimensions 54.5cm, 12.7cm, and 32.3cm. Express the result in square dm. - Rana bought
Rana bought 30 liters of gasoline for 575 l per liter. She also bought 3 kg of motor oil for 9.750 l. Find the total amount of money Rana paid in one step only. - Five-digit digit sum
What is an even five-digit number whose digit sum is 44? - Trapezoid crossbar height
Calculate the middle crossbar of a trapezoid whose area is 111.8 cm² and height 6.5 cm. - A woman 2
A woman arranges her oranges in piles of 5. How many oranges does she have altogether if she has four piles and three oranges? - A sports
A sports tournament has "n" teams. Each team has 17 players. Using "n", write an expression for the total number of players. - Lace table edge
The old woman crocheted 1 meter of lace. Will it be enough to edge a parallelogram-shaped table with dimensions 35 cm and 16 cm? - Payment of the bills
The treasurer is to pay the following amounts: €369 30c, €1426 25c, €694 17c, €1242 38c, €858 41c and €219 38c. How many hundred euros will he order at the bank to pay each amount accurately and, if possible, in the largest bills and coins? - Barrel water remaining
There are 90 liters of water in the rainwater barrel. Dad drained two-thirds of the barrel. How many liters of water are left in the barrel? - The Iceland
There is a geyser and a volcano in a nature reserve in Iceland. The geyser erupts regularly every 18 days, and clouds of smoke rise from the volcano every 40 days. How many times in the course of 9000 days will there be a situation where we can observe bo - We assume
The last wild bison in the territory of today's Slovakia was supposedly hunted by King Matej Korvín near Vigľaš. The bison were only released into the wild in 2004 in Poloniny. How many years were the bison absent from the wild in our country, if we know - Student step class In the physical education lesson, students entered the two-step, three-step, four-step, six-step, and eight-step classes, but there was always one student left. How many students practiced if there were more than 40 and less than 50?
- Recycling center
Pavani collects 20.3 pounds of metal to take to a recycling center. The recycling center pays her for 18.4 pounds of the metal and refuses the rest of it. How much of Pavani's collection was refused in pounds? Enter your answer as a decimal, if necessary, - Cube fabric purchase
How many m³ of fabric do we need to buy to make 20 cubes with an edge of 4.5 dm? - Fabric suit production
Twenty-five meters of fabric are needed to make 6 suits. They brought 1750 meters of fabric to the workshop. How many suits will workers make? - Five children
Five children in a family are weighed, and their weights are recorded as follows: Dave weighs 46 kg. Dave and Ann weigh 84 kg. Ann and Mark weigh 74 kg. Mark and Carol weigh 50 kg. Eli, Ann, and Carol weigh 100 kg. Find the weight of each person. - Kingdom division sons
Before retiring, King Wenceslaus decided to divide the country between his three sons. He gave the eldest a third of the kingdom; the other two sons were twins, so he gave each of them a quarter of the kingdom. He kept the rest for himself to have somewhe - Clock hand angle What is the degree angle made by the hands of a clock when it points to 8 o'clock?
- Divisible by six Is 2,047,223 divisible by 6?
- Aquarium shelf space How much shelf space does a cube-shaped aquarium take up if it holds 27 liters of water?
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