Maths practice for 11-year-olds. - page 189 of 221
Number of problems found: 4409
- Dimensions 3086
The red cube has an edge 0.2 dm smaller than the blue cube. The surface of the blue cube is 294 cm². What are the dimensions of the cubes? - Racehorses
Racehorses and jockeys have a total of 168 feet. How many horses were together at the start? - Mr. John
Mr. John wants to buy winter apples Spartan. There are two ways to buy: 1) buy apples at the marketplace, where 1 kg costs 15 CZK. 2) Bring the car to the agricultural farm, where the apples are sold for 9 CZK per kilogram. However, he must pay CZK 150 fo - Simplify
Simplify the following problem and express it as a decimal: 5.68-[5-(2.69+5.65-3.89) /0.5] - Decompose
Decompose into primes and find the smallest common multiple n of (16,20) and the largest common divisor D of the pair of numbers (140,100) - Decompose 3076
Decompose into primes and find the greatest divisor of the pair of numbers D (84.70). - Rectangular flowerbed
Around the rectangular flowerbed with dimensions of 5.25 m and 3.50 m, roses should be planted at the same distance from each other so that they are located in each corner of the flower bed and consumed as little as possible. How far do we plant them? How - The book
The book has 280 pages. Each side is a rectangle with sides of 15 cm and 22 cm. a) how many leaves have the book? b) at least how many square meters of paper should be used to produce this book? - Block-shaped 3062
A block-shaped aquarium with 35 cm and 26 cm bottom dimensions is poured with 18.2 liters of water. How high is the water? - Block-shaped 3059
Calculate the volume of a block-shaped water tank with dimensions of 6.5 m, 4.8 m, 2.8 m - Calculate 3052
Calculate the volume and area of the cube with the length of the edge a) 5m b) 32 mm c) 4.5 dm - Kilograms 3049
The water barrel weighs m kilograms. An empty barrel has a weight and kilograms. What is the weight of water in 15 barrels? - 15 number
What number is smaller (greater) by 15 than its half? - Bus intervals
At 9:00 a.m., three local buses met at the stop. The first bus has intervals of 20 minutes, the second every 25 minutes, and the third every 30 minutes. At what time will they meet again at this stop? - Birthday 3043
Linda and her uncle Slavo have birthdays on the same day. A few years ago, Linda was 13, and her uncle was 45. How many years ago was it today that Uncle Slavo was three times older than Linda? - Roll the dice
What is the probability that if we roll the dice, a number less than five falls? - Raspberries 3034
Find how many raspberries are in the third and tenth baskets, if there are three raspberries in the first and eight raspberries more in each. - Two-thirds 3030
Peter is a 5th-grade student. He collects stickers. He has two-thirds of them in the album, a quarter is ready for exchange, and he wants to give eight stickers to his friends. How many stickers does Peter have? - Kilometers 3029
The car consumed m liters of gasoline per s of kilometers. How many liters of gasoline does it consume per 100 km? - Hotel
The hotel has a p floor each floor has i rooms from which the third are single, and the others are double. Find the number of beds in the hotel.
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