Maths practice for 11-year-olds. - page 202 of 224
Number of problems found: 4462
- The tap
For one day, 148 l of water came out of the tap. How much water will flow out for 3/4 days? - Area of square
Calculate the area of the square whose perimeter is 24 dm. - Family
Mom is 39 years old. Karl is eight, and Paul is four. In many years, would the mother be old, just like two children together? - Chocolate
Children break chocolate first to third and then every part of another half. What kind got each child? Draw a picture. What part would have been received if each piece had halved? - Parallelogram
In the parallelogram, we know one internal angle of 67°33`. Calculate the other internal angles. - Roses and tulips
At the florist are 50 tulips and five times fewer roses. How many flowers are in the flower shop? - Fence
The square garden has an area of 537 m². How many meters of netting is necessary to fence it? - Johnny
Johnny bought 28 CZK flowers for mum. He spent 4/7 of the money saved. How much money had he saved? How much money was left him? - LCM
The common multiple of the three numbers is 3276. One number is in this number 63 times, the second 7 times, and the third nine times. What are the numbers? - Tailor
Tailor bought 2 3/4 meters of textile and paid 638 CZK. Determine the price per 1 m of the textile. - Compare:
What is bigger? ... - Cuboid 5
Calculate the mass of the cuboid with dimensions of 12 cm, 0.8 dm, and 100 mm made from spruce wood (density ρ = 550 kg/m³). - Day Number
The day number is the serial number of the day in the relevant month (i.e., the number on 5 August 2016 is 5). The digit sum of the day is the sum of the values of all digits on the date of that day (i.e., the digit sum on 5 August 2016 is 5 + 8 + 2 + 0 - Chamber
In the chamber, light is broken, and all from it must be taken at random. Socks have four different colors. If you want to be sure of pulling at least two white socks, we have to bring them out 28 from the chamber. To have such certainty for the pair of g - Aquarium
The aquarium is a cube with an edge of 45 cm. How much water can fit in there? - Flood water
Flood waters in some US villages meant the homes had to be evacuated 362 people. Fifty of them stayed at elementary schools, 62 they slept with their friends, and others went to relatives. How many people have gone to relatives? - Mouse Hryzka
Mouse Hryzka found 27 identical cubes of cheese. She first put a large cube out of them and then waited for a while before the cheese cubes stuck together. Then, she will eat the middle cube from every wall of the big cube. Then she also eats the cube in - Diameter
The diameter of a circular plot is 14 dm. Find the circumference and area. - Tank
How many minutes does it take to fill the tank with 25 cubic meters of water filled at 150 hl per hour? - Children
Margaret and Zdena weigh the same, and Petra weighs 3 kg more. Together, they weigh 156 kg. How much do they weigh?
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