Maths practice for 11-year-olds. - page 194 of 221
Number of problems found: 4414
- Cows
Twenty cows have food for 60 days. We reduce the dose to two-thirds for 18 cows. How many days will it feed? - Number
I think the number. If I add to its third seven, I get the same as when to its quarter add 8. What is the number? - Two cars 2
Two cars started from two positions 87 km distant at the same time in opposite directions at speeds of 81 km/h and 75 km/h. What was the distance between them after 2 hours and 50 minutes of driving? - Car - road
The car started at 11:40, traveling 54 km/h between A and B, and arrived at 12:20. Find the distance between A and B. - Bricks II
3/4 bricks weigh 6 kg and 2/3 bricks. How weighs one whole brick? - Candy cost
Two bars and one candy cost 24 CZK. Two candies and one bar cost CZK 27. How much does candy cost? - Cinema attendance
There were shows in the city cinema over the weekend. On Saturday, 12 students from our class participated in the performance, and on Sunday, 8 students participated. Fifteen pupils attended the performances. How many pupils attended both performances? - Bean game
Viktor lost 45 beans at the party. In the second game, he won 36 beans. How did Viktor turn out overall? - Boat weight
The 3.2 m high container weighs 4.2 tons. The 30 m long ships weigh as much as 30 containers. What weight does the boat have? - Heart as pump
The heart pumps out 5.17 liters of blood in 1 minute. How many liters of blood are pumped per hour, and how much per day? - The father
The father is 36 years old, and the son is six years old. Thus, a father will be three times older than a son by how many years? - Chain repairs
The metal chain has a length of 92 m. With each repair, 4 m will be lost. What is the most significant number of repairs they will do if the chain is not shorter than 56 m? - Calculate hexagon
Calculate the area of a regular hexagon with side a = 2 cm. - Unknown number 24
I think the number: a) It is equal to the area of a square with a perimeter of 12. What is this number? b) Its half is seven times bigger than its quarter. What is this number? - Circle intersections
How many intersections do circles with radii of 10 cm and 6 cm have if the distance between their centers is 3 cm? - Master and apprentice
Master painted the roof in 3 hours and apprenticed for 4 hours. How many roofs do they paint an hour, and how many in three-quarters of an hour? - Two monuments
The distance between two historical monuments on a map with a scale of 1:500000 is 48 mm. Find the actual distance between these monuments in km. - Lcd3
What is LCD of the equation of x/2 + 1/3=5/2? And what is x? - Brigade - railing
Honza and Ondřej had the task of painting 1,000 pieces of processed wooden railing parts on a joint work brigade. On the first day, Honza painted 153/1,000 of them, and Ondřej painted 14/100. Which of the boys worked faster? How many pieces still need to - Money distribution
Anna, Peter, Ralph, Mike, and Thomas shared the amount of 250 euros in the ratio 1:1:1:1:1. Find how much each of them received.
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