Maths practice for 11-year-olds. - page 170 of 222

Number of problems found: 4426

Nuts
500g of hazelnuts cost 150kč, 2kg of walnuts cost 280kč and 20dag of peanuts cost 32kč 1. how much do we pay for 150g of peanuts 2. how many grams of walnuts cost 42kč 3. how much do we pay for 150g of a mixture that the seller mixes for us in equal parts
Including 4639
Visitors to the castle can choose from three tour circuits that last 35, 50, and 70 minutes, including a short break for the guide. At 8 o'clock, the guides will go out with their groups on the route. How long would it take to meet again if everyone follo
Balls groups
Karel pulled the balls out of his pocket and divided them into groups. He could divide them in four, six, or seven, and no ball ever left. How little could be a ball?
Time clock
What are the angles of the hour hand and the minute hand if it is 0:40?
Dividing
Divide the three-line segments 13 cm, 26 cm, and 19.5 cm long for parts so that the individual pieces are equally long and longest. How long will the individual parts take, and how many will there be?
Exchanged 4627
Mr. Sova had a plot of land with an area of 3600 m². However, he exchanged it for another square plot, which was 5 m larger. How many m² does the larger land now have?
Approached 4620
There were x people on the bus. At the first stop, twice that number approached, and five people got out at the second. How many people remained on the bus?
Certificate 4615
Maroš received hockey cards as a reward after his certificate. The number of cards he received is twice the sum of the marks on his report card. Maroš has 8 subjects, and his average grade on his report card was 1.75. How many hockey cards did Maroš get?
Alley
Alley measured a meters. At the beginning and end are planted poplar. How many must we plant poplars to get the distance between the poplars 15 meters?
Pounds
Three pounds subtract 1/3 of a pound.
Children and trip
The price of a one-day trip for an adult is CZK 185. The discount for a child is 50 CZK. How many crowns will the trip cost a family of four (parents and two children)?
Lengths 4599
The garden is 9m long and is no wider than 10m. What is its width if you can walk the same 55cm or 70cm lengths?
Together 4596
Pavel has half as much savings as Standa but the same savings as Radek. Standa saved CZK 120 less than Radek. What savings do all three boys have together? A) less than CZK 600 B) CZK 600 C) CZK 960 D) 1200 CZK E) another number of crowns
Cornices 4595
The shop has curtain rods in 140cm, 180cm, and 200cm lengths. Aunt needs to cover the curtain width of 3m 20cm. What cornices will her uncle buy her? How many cm will have to be cut from each?
Diameter to area
Find the area of the circle whose diameter is 26 cm.
Cinema 4584
There are 15 seats in the cinema. If we know the number of seats, we will say that there are more than 390 but less than 410.
Calculate - sphere
Calculate the surface and volume of the sphere if its radius r = 5 cm.
Fence from concrete
There is a 1.5 m wide trail around the lake. Dad spent 2,550 cubic decimeters of concrete in its construction. If one cubic meter costs 52 €, how much is paid for concrete?
Dimensions of the frame
The picture frame is made of a 6 cm wide bar. The dimensions of the image are 74 and 57 cm. Are the inner and outer edges of the frame two similar baffles?
Dimensions 4552
The aquarium with bottom dimensions of 75 cm and 45 cm has a volume of 135 l. What is the area of areas that are wetted with water if the surface reaches halfway around the aquarium?

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