#### Number of problems found: 1349

• Grandma 6 kg of potatoes is enough for four at home for 15 days. For how many days will this amount be enough if a grandma will visit?
• Evaluate expression If x=2, y=-5 and z=3 what is the value of x-2y
• Long drive Calculate how much it costs to drive 150,000 km with an average consumption of 7 liters per 100 km and a fuel price of 1.2 € / l.
• Two ribbons The total length of two ribbons is 13 meters. If one ribbon is 7 and 5/8 meters long, what is the length of the other ribbon.
• Rain Garden shape of a rectangle measuring 15 m and 20 m rained water up to 3 mm. How many liters of water rained on the garden?
• Wooden box The block-shaped box was placed on the ground, leaving a rectangular print with dimensions of 3 m and 2 m. When flipped over to another wall, a print with dimensions of 0.5 m and 3 m remained in the sand. What is the volume of the wooden box?
• Identical cubes From the smallest number of identical cubes whose edge length is expressed by a natural number, can we build a block with dimensions 12dm x 16dm x 20dm?
• Angie Angie poured 4 cartons of milk, each with 2.4 litres, into a mixing bowl. How many litres of milk were there altogether?
• Wallpaper 3750 cm square of wallpaper is needed to glue a cube-shaped box. Can Dad cut out the whole necessary piece of wallpaper as a whole if he has a roll of wallpaper 50 cm wide?
• At noon At noon today it was 6°C outside, but it has increased 4°C since then. What is the temperature outside now?
• Prime factors Factor the number 6600 into the product of prime numbers.
• Equal temperature The temperatures of the two cities were measured at the same time. The temperature in city A was 60 degrees And rose at a constant rate of 2 degrees per hour. The temperature in city B was 40° and rose at a constant rate of 10° per hour Enter the time in
• Surface area of a cube What is the surface area of a cube that has an edge of 3.5?
• Aquarium height How high does the water in the aquarium reach, if there are 36 liters of water in it? The length of the aquarium is 60 cm and the width is 4 dm.
• Planet Earth What is the weight of the planet Earth, if its average density is ρ = 2.5 g/cm ^ 3?
• Tunnel boring How much material did they dig when cutting the 400m long tunnel? The content of the circular segment, which is the cross section of the tunnel is 62m2.
• Average price Sixth grade went on a trip to Moravia. Each of the 26 pupils paid CZK 320 and the school paid a total of CZK 3,510. What was the average price of a trip per student?
• Ice floe What is the volume of an ice floe weighing 326 kg? The density of ice is only 920 kg/m3.
• Net of a cube This net can be folded to form a cube with a side length of 20 units. What is the surface area of the cube in square units?
• Father and sons Father is 27 and his sons 2 and one year. In how many years will his sons sum up to half his age?

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