Maths practice for 11-year-olds. - page 103 of 224
Number of problems found: 4466
- Surface and volume
Calculate the surface and volume of a cylinder whose height is 8 dm and the radius of the base circle is 2 dm. - Machined 30031
The lathe machined 27 parts in 9 minutes. How many of them work at the same rate per hour? - Polynomial: 29981
Calculate the value of a polynomial: 14 * 32 - 27:3 + 11 * 4:2 = - Eight-square 29951
How many g of grass seed do we have to buy in the eight-square garden with a side of 20 m if we need 100 g of seed per 8 m²? - Production 29901
Calculate how many people are in production, if there are 1/5 workers on the morning shift, the afternoon shift has 3/10, and 50 people will join the night shift. - How many
How many numbers are less than 222 with a digit sum of 8? - Thousand balls
We must create a thousand balls from a sphere with a diameter of 1 m. What will be their radius? - Three-kilo 29811
A four-kilo turkey is 70 CZK more expensive than a three-kilo turkey. How much is a turkey weighing 2.5 kg? - Worker salary
The worker had a salary of CZK 18,000. During the year, his salary was increased by a quarter. He earned a total of CZK 247,500 for the whole year. From which month was his salary increased? - Cylindrical tank
9.6 hl of water is poured into a cylindrical tank with a bottom diameter of 1.2 m. What height in centimeters does the water reach? - Christmas 29521
In the autumn, the school canteen bought 50 kg of apples for 12 CZK. If the apples already cost 20 CZK, how many kilograms of apples could they buy before Christmas for the same amount? - A family
A family of four consumes 220 liters of water a day. How many hectoliters of water are consumed by 68 tenants per day? - Minutes 29491
The car will drive 70km in 56 minutes. How many meters will he drive in half an hour? - 140 degrees
Calculate the product of an angle of 140 degrees with the number 3. - Circumference circles
What is the circumference and area of the circle if r = 18cm - Water level
What is the area of the pool's water level after filling 25 m³ of water level by 10 cm? a) 25 m² b) 250 m² c) 2500 dm² d) 25,000 cm2 - At noon
At noon today, it was 6°C outside, but it has increased to 4°C since then. What is the temperature outside now? - Milk cartons
How much paper do we need for 12 tetra packs with 6 cm, 11 cm, and 20 cm dimensions? Will 1 liter of milk fit in the box? - Expanded form What is the expanded form of 0.21?
- Height
The area of the triangle is 35 cm². The length of the base is 10 cm. Determine the length of the height on the base.
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