Maths practice for 11-year-olds. - page 199 of 230
Number of problems found: 4585
- Consumption 2729
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 2726
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
Janko 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?
- Increased 2722
Five times the number is the same as three times increased by 14. What is the number?
- Dimensions 2720
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 1kg is enough for 4 m²? (we do not paint the bottom of t
- Measuring 2719
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 5m and 3.5m, and the height is 2.85m. 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 do
- 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?
- 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?
- 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.
- After 16 years
After 16 years, Dana will be five times older than she was four years ago. After how many years will Dana celebrate her 16th birthday?
- Money borrow
Ms. Kate wants to borrow € 2,000. Company A will borrow ten payments of 240 euros and will not pay anything in the first two months. Company B borrows in 12 payments of € 210. Which company has the more favorable interest rate for Ms. Kate?
- Cinema 5
James wants to go to the movies every Tuesday for five years. After a year, he learned that the ticket price on Wednesday was only € 5.10 and € 5.60 the other day. Now that he knows about the discount, he decided to change his habits and go to the cinema
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