Maths practice for 12-year-olds - page 201 of 347
Number of problems found: 6937
- Deciliters 9041
How many cups with a volume of 2.5 deciliters will you fill from 1 liter of milk? - Grandfather 9001
Grandfather left the house on his bicycle at 1 p.m. He drove to the pond and returned home at 3:20 p.m. There and back, he rode the same road across the plain. He stayed at the pond for 1 hour. How many minutes did it take him to get to the pond? - Kilometers 8991
The nature reserve covers an area of 40,000 square kilometers. If we draw it on a map on a scale of 1:1000000, we get a square. Find the side of the square on the map. - Interesting 8981
Solve an interesting equation: (1 * x) + (2 * x) + (3 * x) + (4 * x) + (5 * x) + (6 * x) = 100 - Two parts journey
The driver of the car plans to drive 30 km in 0.5 hours. For 20 minutes he follows the convoy (traffic jam) at a speed of 30 km/h. What speed would he have to go in the remaining time? - Steel tube
The steel tube has an inner diameter of 4 cm and an outer diameter of 4.8 cm. The density of the steel is 7800 kg/m³. Calculate its length if it weighs 15 kg. - Forty-eight 8861
Forty-eight pupils go to school; there are ten boys more than girls. How many girls go to school? - Orienteering 8851
The first patrol of the pupils' orientation run started at 8 a.m. at an average speed of 5 km/h. At 8:36 AM, the leader of the orienteering race followed them on a bicycle at a speed of 20 km/h. When and how far from the start will he catch up with them? - Sales off
After discounting 40%, the goods cost 15 €. How much did the cost of the goods cost before the discount? - Speedometer 8781 The car's speedometer showed a constant speed of 60 km/h for 5 minutes. What path did the car cover during this time?
- Circumference 8771
Calculate a diamond's area with a circumference of 51.2 cm and a height of 9.6 cm. - 5000 8761
The garden has an area of 5000 m². What is its image area on a 1:1000 scale on the plan? - Kilograms 8741
Mom bought 4kg of carrots for 1 euro 30 cents and 3 kilograms of apples for 2 euro 10 cents. How much did she pay for carrots and apples? - Three-quarters of its volume
The pool is a block shape with a length of 8m, a width of 5.3m, and a depth of 1.5m. If it is filled to three-quarters of its volume, how many hectoliters of water are in it? - Complied 8661
Police found that the car had traveled 300m in 20 seconds. He complied with the driver's maximum allowed speed of 50 km/h - Proportion 3
For every eight mango trees in the orchard, there are 4-star apple trees. If there are 1320 trees, how many trees of each kind are there? - Rectangular 8601
The rectangular plot has dimensions of 48 mm and 72 mm on the plan on a scale of 1:5000. Calculate its dimensions and give the results in meters. - Eq-frac
Solve the following equation with fractions: h + 1/3 =5/3 - The temperature 3
The temperature is -12 degrees Fahrenheit. During the following 5 hours, the temperature decreased by 23 degrees Fahrenheit. What is the weather like at 11 pm? - Stock market 2
For the week of July 22, the forecaster recorded the following day-to-day changes in the stock market of a specific stock: -2 on Monday, +4 on Tuesday, -8 on Wednesday, + 2 1/2 on Thursday, - 3 1/4 on Friday. The stock began the week at 78 points. How man
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