Maths practice for 11-year-olds. - page 193 of 222
Number of problems found: 4421
- Octopus tentacles
Both octopuses have 112 tentacles. The pink octopus has 20 tentacles less than the yellow. How many tentacles does a pink squid have, and how many tentacles does a yellow squid have? - Recommended dimensions
Michael bought an aquarium in the shape of a block with dimensions of the bottom 30 cm x 15 cm and a height of 20 cm. The salesman recommended that he fill the aquarium with water only up to a height of 15 cm. How many liters of water does Michael have to - Candy distribution
Monica distributes candy. Half of a fifth of them are 14 candies. How many sweets did Monica have? - Weight equivalence
When weighing the bodies from the children's kit, it turned out that one cube had the same weight as three cylinders and two cylinders had the same weight as six pyramids. How many pyramids have the same mass as one cube? - Petrol consumption
The car's average consumption is x = @ x liters of gasoline per 100 kilometers. How much petrol does a car use on a 320-kilometer road? - Brothers ages
The three brothers are 42 years old together. John is five years younger than Peter. Peter is two years younger than Michael. How old are they? - Cents no more
Johnny bought pencils for 35 cents each. Neither he nor the salesperson had small coins, just a whole € 1 coin. At least how many pencils did he have to buy to pay for the whole euros? - Number puzzle
Five times the number is the same as three times increased by 14. What is the number? - Cabinet painting
The cabinet has the shape of a cuboid, the dimensions of which are 80 cm and 55 cm, and a height of 1.8 m. The cabinet is painted twice on the outside. How much paint is used to paint the cabinet if 1 kg is enough for 4 m²? (we do not paint the bottom of - Butter package
A butter cube with an edge 6.5 cm long is packed in a package measuring a = 28 cm, b = 15 cm. Calculate how many cm² the package is larger than the cube's surface. - Room dimensions
The room dimensions are 5 m and 3.5 m, and the height is 2.85 m. Paint the room (even with the ceiling). There will be two layers. Doors and windows have a total of 2.5 m². One box of paint is enough for 6 m². How many boxes of paint are needed? How much - Pool painting
We will paint a block-shaped pool with 25 m and 15 m bottom dimensions and a depth of 3.5 m. How much € will we pay for painting if we paint twice? One kilogram of paint is enough for 5 m² of paint; we will pay €3.5 for 1 kg of paint, and we have to pay t - March fraction
Pupils marched for 2 and 1/4 hours. What fraction of the march did they complete in one hour? - Cube surface area
The wall of the cube has an area of 97 cm². 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 - Bus distance
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 - Number puzzle
I think the number. If I add five and multiply the result by 7, I get 245. Which is it? - Package Deal - what to choose
The parents decided to purchase a mobile phone for their son. They choose from the menu: ... Which offer is best?
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