Maths practice for 11-year-olds. - page 129 of 226
Number of problems found: 4508
- Cyclist
Cyclist drives 5 km in half an hour. How long will you drive in 3 hours? - Dance group
The dance group formed groups of 4, 5, and 6 members. Always one dancer remains. How many dancers were there in the whole group? - Clock Hand Angle Lunchtime
Lunch is served from 12:10 to 12:35. What angle will the little hour hand describe during this time? a) 12 ° b) 12.5 ° c) 13 ° d) 42 ° - Room Square Carpet Area
My room is square. One wall is 2.8 meters long. I have a rug on the floor covering half my room's area. What area does the carpet cover? - Rectangle - WL in ratio
Find the length of a rectangle if the width is 28 cm and the length and width are in the ratio 7:4 (l:w). - Barter
There is exchange trade on the market. We know that for two sheepskins, we get three goat skins. We also know that we get four goat skins for six rabbit skins. How many rabbit skins do we get for four sheepskins? - Fraction value calculation
Determine the value of the fraction 7/4 of the total of 8000. - Water tank
What is the height of the cuboid-shaped tank with the bottom dimensions of 80 cm and 50 cm if the 480 liters of water reach 10 cm below the top? - Decorative fence
The rectangular garden is 57 m long and 42 m wide. Calculate how much m² it will reduce if it is enclosed with a 60 cm wide decorative fence. - Water Flow Pool Pump
Fifty liters of water should flow into the pool every minute. In the event of a pump failure, only 0.4 (4/10) of that amount flowed. How many liters of water flowed in every minute? - Last page
Two consecutive sheets dropped out of the book. The sum of the numbers on the sides of the dropped sheets is 154. What is the number of the last page of the dropped sheets? - Devices Sold Abroad Remain
The factory produced 420 devices per month. They will sell 0.6 of them abroad. How many devices will remain in the Czech Republic? - Flower leaf drying
After drying 1 kg of flowers, 0.17 kg of dried flowers remained. After drying 1 kg of leaves, 0.46 kg of dried leaves remained. How many kilograms of water evaporated by drying 1 kg of flowers and 1 kg of leaves? - Book purchase cost A father bought books for his children's birthdays. Zdenka purchased the book for 24.60, and Milo bought the book 6.70 more expensive. How much did the father pay for both books?
- Expression equality puzzle
For what values of x is the value of the expression 5x + 11 equal to that of the expression 7x + 31? - Blood Pumped by Heart
At 23:45, the pump pumps 435.4 liters of blood. How many liters of blood does he pump per day? How many liters of blood does he pump in a week? - Formula One Laps Kilometers
Formula 1 drivers drive on the training circuit. After one-third of the 42 laps, he must go into the pit. How many laps have they covered by then? One circuit measures 15 km. How many kilometers have they traveled, and how many kilometers do they still ha - Playground Shorter Side
The playground has a rectangular shape. The length of the line around its perimeter is 440 m. The longer side of the course is 140 m long. How many meters does the size of the shorter side of the pitch measure? - Prism 4 sides
Find the surface area and volume of a four-sided prism high 10 cm if its base is a rectangle measuring 8 cm and 1.2 dm. - Walking
The boy walked about 8.5 km in an hour. How long will it take to walk a distance of 32 km if he takes two breaks of 30 minutes during the route?
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