Maths practice for 11-year-olds. - page 121 of 226
Number of problems found: 4508
- Spruce log weight
Spruce logs with a diameter of 270 mm and a length of 4 m are carefully loaded onto a wagon with a bed width of 2,700 mm and stacked in 9 layers. How much does such a load of spruce wood weigh if its density is 700 kg/m³? - Shopping payment calculation
In the store, Janko bought 300g of ham, 5 rolls, 1.5kg of tomatoes, and 2l of milk. Unit prices are listed in the table - ham 6.50e/kg rolls 0.06e/pc tomatoes 3.4e/kg milk 0.95e/l. How much did Jeniček pay for the purchase? - Apartment area
Anton wanted to measure the area of the apartment. But he bought a meter only 1.5m long. Later, he recalled that he had two meters long at 4.5m and 18m at home. How many times are home gauges longer than the meter he bought? - The ketchup
If 3 1/4 of tomatoes are needed, make one bottle of ketchup. Find the number of tomatoes required to make 4 1/5 bottles. - Picture frames
Destiny has to make 24 picture frames. Each frame uses 16 3/8 wood trim. she completed 2/3 on the first day. How many inches of wood trim is needed to complete the remaining frames on the second day? - A number 2
A number decreased by the difference between four and the number. - The tax
The tax per gallon of gasoline in California is $0.477. If you fill your gasoline tank with 14.4 gallons in California, how much will you pay in taxes? Round to the nearest cent. - Z6 – I – 6 MO 2019
A mother was studying multi-digit numbers in which odd and even digits alternate regularly. She called those starting with an odd digit 'comical' and those starting with an even digit 'cheerful'. (For example, the number 32387 is comical, and the number 4 - Brothers and sisters
There are 35 children in the class; 23 have a brother, and 27 have a sister. When five children in the class have no brother or sister, how many children have both a brother and a sister? - Race boy participation
Seven girls and eight times more boys took part in the race. How many boys took part in the race? - Tram meeting time
Trams of five lines run at intervals of 5, 8, 10, 12, and 15 minutes. At noon, they left the station at the same time. What time will they meet again? How many times will each tram pass the stop during that time? - Bus coupon comparison
They sell three prepaid coupons for bus travel - for a month for 500 CZK, a quarter for 1200 CZK, or a whole year for 4200 CZK. Mom rides the bus all year round. Which subscription will be the cheapest for her, and by how much? - Two villages
On the map with a scale of 1:40000 are drawn two villages actually 16 km away. What is their distance on the map? - Circle radius calculation
The area of the two circles is in a 4:9 ratio. The larger circle has a diameter of 18 cm. Calculate the radius of the smaller circle. - Father and sons
The father is 27, and his sons are two and one year old. In how many years will his sons be half his age? - Area comparison calculation
How many times is 5 dm² less than 100 m²? - Three lines
At 6 AM, three bus lines depart from the station. The first line has an interval of 24 minutes. The second line has an interval of 15 minutes. The third line runs at regular intervals of more than 1 minute. The third line runs at the same time as the firs - Radius
Find the radius of the circle with area S = 200 cm². - Evaluate - order of ops Evaluate the expression: 32+2[5×(24-6)]-48÷24 Pay attention to the order of operation, including integers.
- Common divisors
Find all common divisors of numbers 30 and 45.
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