Maths practice for 11-year-olds. - page 205 of 230
Number of problems found: 4584
- Ships
The red ship begins its circuit every 30 minutes. The blue boat begins its circuit every 45 minutes. Both ships begin their sightseeing circuit in the same place at the same time, always at 10:00 o'clock. a / What time does the boat meet again? b / How ma - Concert
At a Concert, sold 150 tickets for CZK 360, 235 tickets for 240 CZK, and 412 for 180 CZK. How much were the total revenues for tickets? - Videotape
Viera bought a videotape on which she could record programs with a total length of 240 minutes. She recorded a sci-fi movie, 1 hour and 28 minutes long, five ten-minute sessions, and "aerobics at home." Can she fit on the tape even the film of Robin Hood, - The port
Four ships Berthed in the port. Together, sail from a port. The first ship will return to port every two weeks, the second after four weeks, the third after eight weeks, and the fourth after 12 weeks. After how many weeks do all the boats meet at the port - Minutes
Determine the difference in minutes: T1 = 2 3/20 h T2 = 2.3 h - Bicycle wheels
The driving wheel of a bicycle has 54 teeth. The driven wheel has 22 teeth. How many revolutions will meet the same teeth after? - Cube 5
The surface of the cube is 15.36 dm². How will this cube's surface area change if the edges' length is reduced by 2 cm?
- Field on plan
The plan has a scale of 1:2500. Determine dimensions in centimeters of the plan if the field has a length of 310 meters and 182.5 meters. - Infants water
The tank, which has ten hectoliters of water for infants, went 580 liters in the morning and 340 liters in the afternoon. How many liters are left in the tank? - Bread
Five of the same breads have the same weight as three pieces and 4 kg of fruit. What weight is one piece of bread? - Paper squares
We should cut the paper rectangle measuring 69 cm and 46 cm into as many squares as possible. Calculate the lengths of squares and their number. - Motor oil
Thirty liters of oil cost 28.80 Euros. How much cost a liter? - Pump
The yard pump is dripping water. Every drop is 1 ml. How many drops will be necessary before filling a bucket with a volume of 10 l? Calculate how long it will take to fill the bucket when drops fall each second. - Tram stop
At the tram stop, trams No. 4 and No. 5 met at 10 AM. Tram no. 4 runs every 5 minutes, tram No. 5 at an interval of 7 minutes. How many times will we meet until 12 o'clock? - Steps
Peter's steps are 70 cm long, and John's are 45 cm long. After how many meters do their footsteps meet?
- Wipes
The mummy wiped out the square wipes, and the veil was next to each other on the cord stretched out between the two trees. She used a cord of 7.5 meters in length, requiring about 8 dm on each side of the trunk. All wipes are 45 cm wide. The mummy leaves - Square grid
A square grid consists of a square with sides of a length of 1 cm. Draw at least three patterns, each with an area of 6 cm² and a circumference of 12 cm, and their sides in a square grid. - Buses 4
Intervals: 1st bus 40 min. 2nd bus 2h 3rd bud 20min How long will it take them to meet - as soon as possible? - Number train
The numbers 1,2,3,4,5,6,7,8, and 9 traveled by train. The train had three cars, and each was carrying just three numbers. No. 1 rode in the first carriage, and in the last were all odd numbers. The conductor calculated the sum of the numbers in the first, - Gardeners
Gardeners pay the city to lease one square meter of land CZK 3. How much do you pay each year? a) for 2 hectares b) 2 are 150 m²
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