Maths practice for 12-year-olds - page 248 of 347
Number of problems found: 6932
- Sides of triangle
The Triangle circumference with two identical sides is 117 cm. The third side measures 44 cm. How many cms do you measure on one of the same sides? - Garden Steps Adult Walk
The garden has a rectangular shape with dimensions of 25 m and 52 m. How many steps would an adult with an average step length of 75 cm go through the garden? - Steps School Distance Year
Eva takes 539 steps on her way to school. How many meters is it if he takes steps that are 4/7 meters long on average? How many kilometers does Eva "walk" during one school year on her way to and from school? - Hunt catch
Hunters shot the same number of pheasants as hares on the hunt. Together, they had catches of 408 feet. How many hares were there? (Suppose no animal was handicapped.) - Seamstress
The seamstress cut the fabric into three parts. The first part was the eighth fabric, the second part was three-fifths of the fabric, and the third part had a length of 66 cm. Calculate the original length of the fabric. - Exhibitor count
Last year, five fewer exhibitors participated in the Autosalon exhibition. This year there were a fifth more than last year, i.e., 150 exhibitors. How many exhibitors participated in the motor show the year before? - Grandfathers Age and Grandchildren
Michael's grandfather has 4 grandchildren. During this year's celebrations, he discovered that he is 7 times older than Michael, six times as old as Wes, four times as old as Emil, and three times as old as John. This situation can only happen once in a l - Two-Digit Numbers Multiply Four
Write how many double-digit numbers there are, which, if we multiply by four, we get the result ending in two zeros. - Cube edge
The edge of the cube has a length a = 1. Find the length of the edge of a cube that has a double surface. - The wall
The wall in the bathroom has dimensions of 2.8 m and 2.6 m. Suppose we would like to cover this wall to a height of 1.6 m. How many square meters of tiles do we need to buy? - Diamonds puzzle
The puzzle is composed of paper diamonds. One diamond (rhombus) has a diagonal 3.4 cm long and a corresponding height of 2.5 cm. How much paper in dm squared is needed for 60 diamonds? - Rhombus Parquet Room Area
The parquet floors in the room have the shape of a rhombus with a side of 2.5 dm long and a corresponding height of 0.8 dm long. How many square meters does a room have if its floor is made of 600 parquets? - Cube edge The cube has a surface area of 110.6 cm². Calculate the length of its edge.
- Kamil's Luggage
Kamil flew to South Africa. On the plane, luggage is limited to 20 kg. Kamil's suitcase weighs 5.6 kg, and the 20 T-shirts he packed each weighed 20 dag. He also packed 5 pairs of trousers at 800 g each and toiletries weighing 2,600,000 mg. Just before le - Clock hands
The second hand has a length of 1.5 cm. How long does the endpoint of this hand travel in one day? - Spruce planting
Mrs. Brown planted 50 spruce trees in three and a half hours in the morning. Mrs. Clark came in the afternoon, and together they planted another 100 spruce trees in four and a half hours. Find: A. How long would it take Mrs. Clark to plant 50 spruce trees - Rose Bushes Equilateral Triangle
The flower bed in front of the house is an equilateral triangle with a side length of 2.5 m. Mom plants roses around it. How many rose bushes does mom need to plant if she plants the bushes at the same distance of 50 cm from each other? - Speed increase
The tourist travels at an average speed of 3.5 km/h. The last train takes him 50 minutes. If he still has 5 km to go to the station, how much does he have to increase his speed? - Children age
The woman has two children, who will be 60 years old in four years. The children are the same age. How old are the children now? - Monthly plan
The production plant fulfilled 1/4 of the monthly plan in the first 10 days of the month, 5/14 in the second decade, and 3/7 of the monthly plan in the remaining part of the month. Determine if the monthly plan has been met.
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