Maths practice for 11-year-olds. - page 158 of 230
Number of problems found: 4587
- Installed 5793
A group of fitters installed the cable line in 9 changes, and the second group completed the same task in 1/3 less time. How many shifts would the third group do the same work if, with all three groups working together, the assembly took 2 shifts? - Calculate 5792
Calculate the sum of all two-digit numbers created from the digits 0, 1, and 3. We can repeat the digits in the created number. - Trees
The total number of trees in the orchard is two-fifths of pearls and apples are three eighty. The rest of the trees are nine ceremonial. How many trees are in the set? - Three-quarters 5783
A crane loads goods onto the wagons of a freight train. Goods of the first type weigh two and three-quarter tons, goods of the second type two and a quarter tons, goods of the third type one and a half tons, goods of the fourth type three-quarters of a to - Performances 5782
A group of three girls won a € 30 science competition. Kamila, Magda, and Zuzka divided the win according to their performances in the ratio of 3:4:5. How many euros have each of them? - Numbers 5777
Which number is also on the number axis from numbers 299 and 1051? - Twins with friend
The twins Danka and Janka went to the cinema with their friend Betka. Only six seats in the second row were available in the cinema. The twins want to sit next to each other. Danka is always to the right of Janka, and Betka is near one of them. How many m
- Distance 5773
The air distance from the hotel to the castle is 4.4 km. What is the map's scale on which this distance is shown by a line 4 cm long? - Garden
The rectangular garden has dimensions of 27 m and 30 m. Peter and Katka split it in a ratio of 4:5. How many square meters did Katkin measure part of the garden? - Bricks 5767
The brick weighs 1 kg and a half bricks. How much does a brick weigh? - Mixed numbers
Rewrite mixed numbers so the fractions have the same denominator: 5 1/5 - 2 2/3 - Anthill
Agent 007 was watching the movement in an anthill. He noted in his secret notes that in the morning there were 1317 ants in the anthill. During the day a ants left, then b ants returned, then 2a ants left and c ants came. Then x ants stung the agent, so h - Class alphabet
All 29 pupils in the class are written in a class alphabet. The number of pupils enrolled before Paul is three times higher than those behind him. Calculate how many pupils are enrolled after Paul. - Accompanying 5748
An accompanying vehicle set off behind the car with an oversized load moving at a speed of 16 km/h in 2.5 hours, which must reach it in 45 minutes. What speed does he have to go? - Divisible 5744
Find the smallest 2-digit number that is divisible by three but not divisible by 9
- Christmas 5740
When the mothers sat down on the benches at the Christmas gazebo, only one mother sat on the last bench. When the six of them sat down, one mother remained standing. How many mothers were there on the gazebo, and how many benches could they sit on? - Long-distance 5737
The long-distance bus driver went 2/5 of the route length in the morning and 1/3 of this length in the afternoon. He still has 60 km to the finish. How long is the long-distance bus route? - Number with ones
The first digit of the number is 1. If we move this digit to the end, we get three times the higher number. What is the number? - Orchard
One-eighth of the trees in the fruit plant in winter froze, and one-twelfth were damaged by disease and pests. Healthy trees remained 152. Is it enough to supply 35 trees to restore the original number of trees in the orchard? - Travels 5731
The car travels at a speed of 20m/s. At what speed does it travel at km/h?
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