Maths practice for 11-year-olds. - page 204 of 224
Number of problems found: 4462
- Janka and Danka
Janka and Danka began to read the books the same day. Janka had 276 pages, Danka 204 pages. They agreed that both read the same number of pages every day until They read their books. A) How many maximum pages do they have to read the day to honor their ag
- Gearing
Gearing consists of two wheels. One is 88, and the second is 56 teeth. How many times turn the smaller wheel to hit the same teeth as in the beginning? How many times will we turn the biggest wheel?
- Dressmaker
The dressmaker left a piece of canvas shorter than 5 meters. She was deciding whether to sew a skirt or dress. The canvas was exactly as much as they had consumed, having cut up her skirt to 120 cm or 180 centimeters. What a piece of canvas left her?
- Trams 2
The square passes two tram lines. One runs every nine minutes, and the second interval is 15 minutes. Two tram lines arrived in the square exactly at noon. How soon should a similar situation arise again?
- Apples 2
How many minimum apples are in the cart? Is it completely divided into packages of 6, 14, and 21 apples?
- Painter 3
Dad wants to paint the wall high 250 cm, wide 230 cm with wallpaper. How many meters must he buy wallpaper if the wallpaper width is 60 cm?
- Third dimension
Calculate the third dimension of the cuboid: a) V = 224 m³, a = 7 m, b = 4 m b) V = 216 dm³, a = 9 dm, c = 4 dm
- 3 buses
Morning at 5:00 am, three buses started from one place. The first travel in five-minute intervals, the second at 10-minute intervals, and the third at 25-minute intervals. At what hour will the three buses again come from the same place?
- Octagon from rectangle
We cut the corners of a rectangular tablecloth with dimensions of 4 dm and 8 dm into isosceles triangles. Thus, the octagon formed had an area of 26 dm². How many dm² of tablecloth do we cut down?
- Daughters
The man conducting the census asks a woman the age of her three daughters. The woman says when multiplying the age, get the number 72; if their ages add up, get a number of our house, as you see. The man says: That is not enough to calculate their ages. S
- Car model
The car model is 52 mm long, and the real car is 4524 mm long. What was the scale of the model car?
- Hectoliters
How many hectoliters of water fit into the cuboid tank with dimensions of a = 3.5 m, b = 2.5 m c = 1.4 m?
- Brackets
Place one pair of brackets in the expression 20-16 + 10 - 4 - 2 so that the result will be 0.
- Buses
At the bus stop at 10 o'clock met buses No. 2 and No. 9. Bus number 2 runs at an interval of 4 minutes and bus number 9 at intervals of 9 minutes. How many times does the bus meet at 18:00 local time?
- Daddy
Daddy is a 46-year-old, and his son is at the age of 16. When (which year) was/will daddy five times more years than his son?
- Arm-leg
Calculate the length of the base of an isosceles triangle with a circumference of 224 cm if the arm length is 68 cm.
- The shop
The shop has three hectoliters of water. How many liter bottles is it?
- Troops
If the general sorts troops into the crowd by nine, left 6. How many soldiers have the regiment if we know they are less than 300?
- Soda
A pack of 12 sodas costs 5.04. What is the unit rate in dollars per soda?
- Aquarium 6
How high is the water level in the aquarium with a rectangular base of 40cm and 50cm if it is filled with 0,65hl of water?
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