Maths practice for 11-year-olds. - page 216 of 230
Number of problems found: 4595
- Bob and Bobek
Bobek has two cabbages and five carrots. Bob has two cabbages and nine carrots. When Bobek stepped on the scale weight 5800 g, and Bob weighed 8960 g. Actual Bob weight is 8 kg and Bobek 5 kg. How much weighs one carrot? - More money
Lenka has €4.8 more than Natalia. Who will have more and how much when Lenka gives Natalia €2.5? - The result
How many times do I decrease the number 1632 to get the result 24? - Square room
What is the size of the smallest square room, which can be paved with tiles with dimensions of 55 cm and 45 cm? How many such tiles are needed? - Comsumption
On route 150 km long car consumed 11 liters of gasoline. How much gasoline is consumed for driving 300 km? - Box of chocolates
In a box of chocolates were 16 candies. Christopher and Luke were distributed: a) Christopher had about four candies over Luke, b) Christopher had about six candies less than Luke, c) Christopher had three times more sweets than Luke. How many had each bo - Cuprum
From the 1600 mm long sheet of copper plate 2 mm thickness, we have separated over the whole length of the belt weighing 6000 g. Calculate belt width if one dm³ copper weighs 8.9 kg.
- Arithmetic average
The arithmetic mean of the five numbers is exactly 8. The sum of these four numbers is 30. What is the fifth number? - Equation
Solve the equation and check the result: 1.6x - 3/2 + x - 9,8 = x + 0,4/3 - 7 + 1,6/6 - Minutes
Write as a fraction in the basic form, which part of the week is 980 minutes. - Rabbits
In the hutch are 48 mottled rabbits. Brown is 23 less than mottled, and white is 8 times less than mottled. How many rabbits are in the hutch? - Tablecloth
I embroider a tablecloth in 20 days, but if I embroider for 3/4 hours a day, I have embroidered it for 15 days. How long do I embroider a day? - Cuboid aquarium
Cuboid 25 times 30 cm. How long does the cuboid's third side contain 30 liters of water? - Sisters
Sisters Hanka and Vera go mostly to their grandmother by bicycle. Journey took Hanka 30 minutes and Vera 20 minutes. How long will Vera catch up with Hanka when she starts from home five minutes later than Hanka? - Number
Determine an unknown number if you know that the difference between five times and triple of number is 58.
- Unknown integer
Find the smallest integer: Divided by 2, the remainder is 1. divided by 3. The remainder is 2. divided by 4. The remainder is 3. Divided by eight, the remainder is 7. Divided by 9, the remainder is 8. - Hexadecimal number
What will the hexadecimal number 303 be as a decimal number? - Chicken and rabbits (classic)
Grandmother bred chickens and rabbits. It found that the yard has 25 heads and 70 legs. How many chickens and rabbits breed in the yard? - Ratio of perimeters
Rectangle ABCD has dimensions 3 cm and 4 cm, and KLMN rectangle has dimensions 4 cm and 12 cm. Calculate the ratio of the perimeter ABCD and perimeter KLMN. - The carpet
How many meters of carpet 90 cm wide need to cover the floor room, which has a rectangular shape with lengths of 4.8 m and 2.4 m, if the number of pieces on the carpet is needed to be lowest?
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