Maths practice for 12-year-olds - page 214 of 351
Number of problems found: 7018
- Parking Spaces Free Fraction
There are 80 parking spaces in the parking lot, of which 1/20 is reserved for the disabled and another 4 spaces for families with children. Express as a fraction what part of the parking lot is free for vehicles without the specified specifications. - Sum of four numbers
The sum of four consecutive natural numbers is 114. Find them. - Eight years ago
The son asks his father how old he is. His father said: "In ten years, I will be twice as old as I was eight years ago." - Two thirds
Two-thirds of the unknown number is 8/7. What is 7/3 of this number? - Proportion of the continents
The area of Asia and Africa is 8:7, and the area of Europe and Africa is 5:6. In what proportion are the sizes of regions of Asia, Africa, and Europe? - Bottle
A company wants to produce a bottle with a capacity of 1.25 liters. Find the dimensions of a cylinder that will be required to produce this 1.25 liters if the height of the cylinder must be five times the radius. - Pupil transportation count
One-third of the pupils go to school by bus. The other half take a tram, and the remaining ten pupils walk. How many students are in the class? - Area to perimeter
Calculate the circle circumference if its area is 254.34 cm2 - Rectangle dimension change
Scale both dimensions of the rectangle in the ratio 9:4. The original dimensions are 0.8 dm and 16 cm. What are the dimensions of the rectangle after the change? - Dividing into stacks
Determine the smallest possible number of workbooks divided into stacks of 6, 8, 9, or 10. - Unknown number calculation If I add a third and a half of an unknown number, I get a number 1 greater than 21/6. What's the number?
- Hay bags
Four cows eat 16 bags of hay in 5 days. How many bags will 5 cows eat in 7 days? - Car Fuel Consumption Distance
The off-road car will travel 100 km with 10.5 liters. How many km will 116 liters cover? - Pudding glass combinations
Petra was preparing a pudding cup to celebrate the holiday. It had four types of pudding, five types of fruit, and two types of decorations. How many different glasses could she prepare with one pudding, one fruit, and one garnish? - Map distance calculation
On a map with a scale of 1:48 000, the distance between cities is 40mm. What is the actual length of cities in km? - Ship port distance
Two ships sailed in the same direction from the two ports simultaneously. The first boat is 20 km/hour, and the second 26 km/hour. The second caught up with the first in 4 hours. What is the distance between ports? - Cars Distance Before Meeting
From cities A and B, two cars drive opposite each other on the same road. The first runs at a constant speed of 80 km/h, and the second at 60 km/h. How far will these cars be a quarter of an hour before they meet? - Circumference - increase
If we increase the length of the side of the square by one-third, the circumference of the square will increase by 18 cm. Calculate the length of the side of the square. - Workshop can production
They produced 8,892 cans in the production hall. Their performance is in the ratio 11:12:13. Which workshop was the hardest, and how many cans did it make? - Bus travel time
The bus goes 9 km in 7 minutes. How long will it take to go 35 km (in hours)?
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