Maths practice for 11-year-olds. - page 195 of 220
Number of problems found: 4398
- Dimensions 2717
We will paint a block-shaped pool with 25m and 15m bottom dimensions and a depth of 3.5m. How much € will we pay for painting if we paint twice? One kilogram of paint is enough for 5m² of paint; we will pay €3.5 for 1kg of paint, and we have to pay the pa - Marched 2713
Pupils marched in 2 and 1/4 hours. What part of the march did they miss in an hour? - Cube surface area
The wall of the cube has an area of 97 cm square. What is the surface of the cube? - The wall
We have to build a cuboid wall with dimensions based on 30 cm and 45 cm and a height of 3.25 meters. Calculate how many we need bricks if we spend 400 pieces of bricks to 1 m³ of the wall. - The cube
The surface of the cube is 150 square centimeters. Calculate: a- the area of its walls b - the length of its edges c - its volume - Three-quarters 2705
If the bus runs 5 km in 8 minutes, how many kilometers will it drive in three-quarters of an hour at a constant speed? - Gcd and lcm
Calculate the greatest common divisor and the least common multiple of numbers. a) 16 and 18 b) 24 and 22 c) 45 and 60 d) 36 and 30 - Multiply 2700
I think the number. If I add five and multiply the result by 7, I get 245. Which is it? - Speed of sound
The average speed of sound is 330 meters per second. Estimate how long it will take to hear the church bell 1 km away. Calculate the distance from what you would hear sound after 10 seconds. - Gears
The gearing fits the wheel with 20 teeth to the wheel with 36 teeth. Before the machine is started, personnel mark the teeth of the smaller wheel and the opposite of the larger wheel. How many times after starting the machine wheels turning that painted t - Division of money
Calculate how many euros Matthew, Miriam, Lucy, Michael, and Janka, when together, have 2,700 euros, and the amounts are at a ratio of 1:5:6:7:8. - Floor
The rectangular floor of the living room has a length of 5.4 meters and a circumference of 17.2 meters. What is its width? - Cows
Twenty cows have food for 60 days. We reduce the dose to two-thirds for 18 cows. How many days will it feed? - Number
I think the number. If I add to its third seven, I get the same as when to its quarter add 8. What is the number? - Car - road
The car started at 11:40, traveling 54 km/h between A and B, and arrived at 12:20. Find the distance between A and B. - Bricks II
3/4 bricks weigh 6 kg and 2/3 bricks. How weighs one whole brick? - Candies 2597
Two bars and one candy cost 24 CZK. Two candies and one bar cost CZK 27. How much does candy cost? - Performances 2596
There were shows in the city cinema over the weekend. On Saturday, 12 students from our class participated in the performance, and on Sunday, 8 students participated. Fifteen pupils attended the performances. How many pupils attended both performances? - Overall 2594
Viktor lost 45 beans at the party. In the second game, he won 36 beans. How did Viktor turn out overall? - Containers 2593
The 3.2 m high container weighs 4.2 tons. The 30 m long ships weigh as much as 30 containers. What weight does the boat have?
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