Maths practice for 12-year-olds - page 274 of 347
Number of problems found: 6923
- Egg boiling
One egg is boiled for 5 minutes. How many minutes will five eggs be cooked? - Gasoline
The chauffeur paid 54 euros for a nearly full tank of 40 liters of gasoline. If the car has an average fuel consumption of 7 liters per 100 kilometers, how many euros will it cost to travel 250 km? - Exponent division
Specify the value of this expression: 214:218. - GCD and LCM
Specify: a = D (240,320) b = n (40.64) - Algebrogram
Solve algebrogram: mama+anna=vari How many solutions are? - Fabric package
They sold one-fifth of the fabric package in the store, and 44 m of fabric remained in it. How many meters of fabric were in the package? - Apples and pears
Mom divided 24 apples and 15 pears among the children. Each child received the same number of apples and pears - the same number as their siblings. How many apples (j=?) and pears (h=?) were received for each child? - Cubes from beam
The edge of the cube-shaped die is 3.5 cm long. How many of these cubes can be made from an oak beam 3.5 m long and a square cross-section with a side 35 cm long? - Trapezoid median
The midsegment of the trapezoid is p = 18.6 cm, and the base a = 29.8 cm. Calculate the size of the other base c. - Candy count
How many candies does Renee have in the box? There are fewer than 50. She can divide them evenly among either five or six friends, and still have one candy left for herself and her brother. How many candies are in the candy box? - Square perimeter
The Czech Republic has an area of 78866 km². If this area were the area of a square, it would have a side of 280.83 km. How long before we go around this square at 50 km/h? - Circle waste
Calculate the percentage of waste when we cut out 4 of the largest possible circles from a square sheet with sides of 1 meter. - Coat price
The cost of the coat, 1500kc, was reduced by 20% and increased by 20% after a week. What is the price? - Cheetah
The cheetah elapses 150 m for 5 seconds, the eagle reaches speeds up to 230 km/h, and the dolphin swims 1.2 km per minute. Which animal is the fastest and slowest? The results are written as meters per second (m/s). - Customer
A customer purchased three (3) writing pads from a store. She receives a k9.70 change from a k10.00 note. How much does its writing pad cost? - Exponent division
Specify the value of this expression: 34:38. - Above 100%
Find 340 percent of the numbers 45 and 55. - Number ratio
Change the numbers 34, 21, and 5.5 in a ratio of 5:2. - Exponent comparison
How many times is the number 1012 greater than the number 10-4? - Block dimensions
The volume of the block is 1000 cubic meters. Food b = 8m, food c = 12.5m. How long is the party and?
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