Maths practice for 11-year-olds. - page 44 of 227
Number of problems found: 4539
- Nina used
Nina used 2 liters of paint to paint a wall. The wall was a rectangle 2 meters high and 4 meters wide. How many liters of paint would she need to paint a rectangular wall which is 2.5 meters high and 8 meters wide?
- A rhombus 3
A rhombus has a side length of 6 centimeters and a height of 2 centimeters. What is the area of the rhombus in centimeters square?
- Lindo
Lindo walked 1 265m on the first day. She was a bit tired on the second day and walked 650m. How far did she walk in two days?
- I sold
I sold 552 candy bars on Saturday and 487 candy bars on Sunday. Thus, I sold 552 more candies on Saturday than on Sunday.
- Centimeters 68084
The cube-shaped container has a surface area of 320 square centimeters without a lid. Calculate its volume.
- Dimensions 68074
How high is the water level in the aquarium, which has the dimensions of a base of 80 cm and 45 cm, if there are 72 liters of water in it?
- How many 21
How many tiles of 2m by 2m in size can fill the floor of a room with a size 16m x 12m?
- A piece 5
A piece of cloth is laid at the center of a table 80 cm long and 60 cm wide, and it leaves 5 cm all around. Find the area which is not covered by the piece of cloth.
- Cube-shaped 67884
The cube-shaped drawer has an area of 405 dm square. Calculate the volume of this drawer.
- Collection 67874
In his stamp collection, Radek had half of the Czech stamps, a third of Slovak stamps, and just 128 overseas stamps. Radek did not collect any other stamps. Calculate how many stamps Radek had in the collection.
- Ten-thousandths 67844
Calculate how many times six-hundredths is greater than 12 ten-thousandths.
- Steamers 67804
Two steamers set out on a voyage from the same port. The first steamer returns to port every fourth day, and the second steamer returns every fifth. How many days do they meet again?
- Calculate 67794
Calculate the volume of the cuboid in the given unit if you know the lengths of its edges. A) a = 20 cm, b = 3 cm, c = 7 cm, (length) B) a = 10 mm, b = 8 mm, c = 9 mm, (ml) C) a = 30 cm, b = 5 cm, c = 8 cm, (l) D) a = 300 mm, b = 4 m, c = 7 dm, (hl)
- Dimensions 67784
Earthenware tiles have 20 cm, 20 cm, and 2 cm dimensions. The package, which has ten pieces of tiles, weighs 20 kg. Determine the density of the stoneware from which the tiles are made.
- Density 67774
The prism, whose base is square / the side of the square is 20 cm / 30 cm high, is made of oak wood and weighs 8.5 kg. What is the density of oak wood?
- Determine 67764
The barrel filled with asphalt has a diameter of 60 cm and a height of 100 cm. The weight of the asphalt in it is 390 kg. Determine the density of the asphalt.
- Aquarium 67724
The aquarium measures 40 cm, 40 cm, and 50 cm. The water reaches 45 mm from the upper edge. Norbert bought the fish, and when he put them in the aquarium, the step level was 0.5 mm. What is the volume of new fish?
- Constructing 67634
During the construction of a 140-meter-long gas pipeline, a pit with vertical walls 1.5 m deep and 1 m wide must be created. A) How many cubic meters of soil must be dug up? B) We spread the excavated soil evenly on a field with dimensions of 70 m and 120
- Minutes 67614
If eight eggs are cooked in 10 minutes, how long will it take to cook 28 eggs?
- Dimensions 67534
Peter has an aquarium at home in the shape of a cuboid with 6 x 3 dm bottom dimensions and a height of 4 dm. They filled the aquarium with water according to the seller's order, 5 cm below the edge. A) The maximum number of fish can be raised in it if 1 f
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