Maths practice for 11-year-olds. - page 174 of 222
Number of problems found: 4421
- Equation solving
Solve the equation and perform the test: 1- (x-x/7-1/7) = 7-9x/2 +5/2 - Equation solving
Solve the equation and perform the test: 2 (4x + 3) - 2 = 6 - 5 (1 - x) - Student scores
Dorka had a total of 22 marks in her student book. She had three times less than three ones. She had only two doubles. How many units did Dorka have in the student's book, and how many threes? - Flu epidemic
During the flu epidemic, 10% of the school's students fell ill on Monday, another 39 on Tuesday, and one-eighth of all the school's students joined them on Wednesday. During these three days, one-third of all school pupils fell ill. How many students does - Hello adding
Fill letters instead of digits so the indicated sum (equal letters represent equal digits). What number is hidden under the letter J? A A H A H O A H O J -------------------------- 4 3 2 1 - Homework time
Veronica did her homework for precisely one hour. One-third of her time was devoted to mathematics, three-quarters to geography, and how many minutes did she spend on other subjects? - Four families
Four families were on a joint trip. The first family had three siblings: Alice, Betty, and Cyril. In the second family were four siblings: David, Eric, Philip, and Gabby. In the third family, there were two siblings, Hugo and Ivy. Three siblings in the fo - Distance on map
The map's scale is 1:10000. What is the actual distance of 4 cm on the map? - Star equation
Write digits instead of stars so that the sum of the written digits is odd and is true equality: 42 · ∗8 = 2 ∗∗∗ - Centipede Mira
Centipede Mira consists of a head and several articles. Each pair has one pair of legs. When it got cold, she decided to get dressed. Therefore, she put a sock on her left foot from the end of the third article and then in every other third article. Simil - Carillon MO - Z5 - 1 - 66
The carillon in the courtyard plays at every full hour a short composition, starting at 8 a.m. and ending at 10 p.m. The compositions total eighteen, at the full hour always only one is played, and after playing all eighteen it starts again in the same or - Trip fraction
Out of 35 pupils in class 15, they went on a trip. What part of the students went on a journey, and what remained at school? - Christmas trees
The salesman sold Christmas trees: spruce for € 22, pine for € 25, and fir for € 33. In the morning, he had the same number of spruce, fir, and pine. In the evening, he had all the trees sold for € 3,600. How many trees does the day salesman sell? - Take a photo
Four boys live in a three-story house. Each lives on a different floor. We know the following about them: - Josef is a philatelist. - Viktor does not live on the top floor and is not a photographer. - Ivan is friends with an amateur photographer who lives - Speed of clock
How many minutes will the hour hand pass at straight and right angles? - David number
Jane and David train in the addition of decimal numbers so that each of them will write a single number, and these two numbers will then be added up. The last example was 11.11. David's number also had the same number of digits before and after a point. J - Glass aquarium
How many m² of glass are needed to produce an aquarium with a bottom dimension of 70 cm x 40 cm and a height of 50 cm? - The bag
Nelly found an interesting point. An empty bag weighs 4 kg less than the full. An empty bag is five times easier than a full. How many kg weigh things in this bag? - Average speed
The plane from Prague to Warsaw flies 540 km in 1 hour and 12 minutes. Find the average speed. - Bucket
How many Kč (Czech crowns) will you pay for the painting of a room in the shape of a cuboid with floor dimensions of 5 and 4 m, given the height of the room is 3 m. You will not paint the floor, the door space (210 x 90 cm), and the space behind the mirro
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