Maths practice for 12-year-olds - page 244 of 351
Number of problems found: 7018
- A number
A number increased by 7.9 is 8.3 - Minutes 6071
What is the angle of the big hand of the watch in 20 minutes? - Consumption 6068
In two months, the Novák family consumed 624 kWh of electricity during the day and 3018 kWh at night. How much kWh of electricity will the Novák family consume now in two months at the daily rate, and how much at the night rate if they decide to reduce co - Traveling 6067
A car traveling at 75 km/h will drive from place A to place B in 3/4 hours. How long does it take for a cyclist to get there at a speed of 25 km/h? - Difference heights
Determine the difference between the altitudes of the Sněžka peak (1,602 m above sea level) and the level of the Dead Sea (-394 m above sea level). - Consumption 6063
The Novak family had an annual sugar consumption of 68.4 kg and decided to reduce it by 5:8 the following year. How much sugar can the Novak family consume in the next year? - Line segment
The 4 cm long line segment is enlarged in the ratio of 5/2. How many centimeters will the new line segment be long? - Electric energy
There are 875 identical light bulbs in the sports hall lighting for 2 hours. How long does the same amount of electricity consume 100 such bulbs? - Reduce 6058
If we reduce the number x by 30%, we get 140. What is x? - Football 6056
The football field has an area of 75.75a. What is the width if its length is 101m? - Temperature 6055
At the Štrbské prom, the station measured an air temperature of 12.7°C in the afternoon. By morning, the air temperature had dropped to -5.8°C. How many degrees °C has the air temperature dropped? - Calculated 6054
The children will make paper kites in the club. They have calculated that they will need 12 square meters of paper in the store. They have a 125 cm wide bundle of paper. How many meters of the bundle do they need to buy? - Simultaneously 6052 Trenčín is 120 km from Bratislava. The average speed of a cyclist traveling from Trenčín towards Bratislava is 20 km/h. Calculate the average speed of the passenger car that left Bratislava compared to the cyclist if the cyclist and the passenger car left
- Seedlings 6051
A forest nursery needs an area of 1.25 square meters per pine seedling. How many pine seedlings are planted in an area of 9 acres? - Returned 6046
At what rate did the sparrow borrow 1,200 grape berries from the thrush when it returned 1,392 berries? - Minutes 6044
How many minutes will a car voyage 10 km at a speed of 75 km/h? - Circumference 6040
The picture shows a square net in which the side of one square is 1 cm long. Draw a rectangle with an area of 18 squares with a circumference of 22 cm. - Diameter 6032
The road roller is 2 m long and 1 m in diameter. How many square meters of road roll when it turns 15 times? - Saturday 6031
You need to read 105 pages of the book over the weekend. You know that the time you can spend reading on Saturday and Sunday is 3:4. How many parties do you plan for Saturday, and how many for Sunday? - Rectangular 6030
The aquarium has a rectangular base of 0.5 m × 0.3 m. By immersing the irregular body, the level enters by 3 cm. Calculate the volume of the body.
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