Maths practice for 12-year-olds - page 197 of 350
Number of problems found: 6986
- Two-thirds 11271
Two-thirds of boys are in sports school. How many boys are there in school if there are 212 girls? - Year 2020
The four-digit number divided by 2020 gives a result of 1, **. (Can not be in form 1,*0. ) Write all the options. - Cylinder 11141
The area of the cylinder shell is 300 cm², the height of which is equal to the diameter of the base. Find the surface of the cylinder. - The cuboid
The cuboid is full to the brim with water. The external dimensions are 95 cm, 120 cm, and 60 cm. The thickness of all walls and the bottom is 5 cm. How many liters of water fit into the cuboid? - Three-digit 11041
How many three-digit numbers can be composed of 0.5,9 digits? - 45th birthday
This year Mrs. Clever celebrated her 45th birthday. Her three children are now 7, 11, and 15 years old. How many years will Mrs. Clever's age equal the sum of her children's years? - Kilowatt-hours
If the Lewis family used 648 kilowatt-hours of electricity in 12 days at the same usage rate, how many kilowatt-hours should they use in 24 days? - Rectangular 10971
Mr. Novotny's rectangular garden measures 35m and 27m. Mr. Sovák's square is 29 m long. Who uses more netting to fence their garden, and how much? - Measures 10941
The city plan has a scale of 1:1500. Find the actual length of the bridge, which measures 1.1 cm on this plan. - Math test In mathematics, there were 25 problems of three kinds: light 2 points, medium 3 points, and heavy 5 points, and the best score was 84 points. How many points did Jane have when she solved all the easy examples, half of the medium, and one-third of the dif
- In center
What number lies in the center between a quarter of a fifth and a half of a third on the number axis? - Coal mine
The towing wheel has a diameter of 1.7 meters. How many meters does the elevator cage lower when the wheel turns 32 times? - Divide candies
John, George, and Adam shared candies in a ratio of 2:3:1. John received six candies. How many candies did the boys share? - Difference 10741
Twice, the difference between the number 50 and the unknown x reduced by the unknown x is equal to the number 106. What is the unknown number? - Well-known 10731
The well-known Candle Collector, Antonín, had half of the blue candles in his collection, a third of the candles with a colored motif, and 128 green candles. How many candles does Antonín have in his collection? - Radius of the circle
Calculate the radius of the circle whose length is 107 cm larger than its diameter - Dividing money
Vilem, Cenek, and Edita divided the money they earned by spreading the leaflet. Vilem got 240 CZK more than Cenek and twice as much as Edita. Edita got 400kc less than Vilem. How much did each of them earn? - Video game
Nicole is playing a video game where each round lasts 7/12 an hour. She has scheduled 3 3/4 hours to play the game. How many rounds can Nicole play? - Number
What number should be placed instead of the asterisk in the number 702*8 to get a number divisible by 6? - Surface - cube
What is the length of the edge of the cube, the surface of which is 384 dm²
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