Maths practice for 11-year-olds. - page 150 of 222

Number of problems found: 4421

Buy Six Pay Four
If we take six pieces, we will pay only for four. One piece cost 7, and my mother bought 31 pieces. How much did she pay for the purchase?
Bank Opening Hours
The bank has opening hours from 07:30 to 16:30. How many hours is the bank open?
Pizza Plate Minimum Diameter
A pizza in the shape of a circle occupies an area of 94.985 square cm. What is the smallest integer diameter in centimeters that the plate on which we want to place this pizza must have so that the plates do not overlap
Pizza 5
You have 2/4 of a pizza and want to share it equally between 2 people. How much pizza does each person get?
Sick student count
Write down how many students were sick. If there were three students in the class, last week's students had sore throats and flu.
Number Operation Puzzle Result
I think of a number, add it to itself, subtract 6, then divide by 2, add 7 and multiply by 8. The largest two-digit number that contains only even digits came out. How much is the result greater than the imaginary number?
Map Scale Actual Distance
On a map with a scale of 1:25 000, the distance between cities is 11 cm. What is the actual distance between cities?
Equation solving
Solve the equation: 2y = 4 (0.5 + 3/2) -1
Pool Volume from Plan
On a project with a scale of 1:250, the length of the pool is 2.00mm, and the width is 1.00mm. The depth of the pool is 1.5 m. Calculate how many hectoliters of water will fit in the pool.
Pool Volume Liters
The swimming pool in the Veselý yard is square-shaped with dimensions of 2.5m by 3.4m and is 1.7 meters deep. How many liters are in the pool if it is filled to three-quarters of its total volume? Please round the result to tenths.
Juice Box Dimension
The juice box with a volume of 1 l has two dimensions, 6 cm and 165 mm. Calculate the third dimension of the box.
Rectangle Area Unit Conversion
Calculate the rectangle area measuring 0.9 m and 6 dm in cm square.
Glass Door Panel Weight
What is the weight of the glass door panel if it is 5 mm thick, 2.1 m high, and 6.5 d wide? The density of glass is 2.5 kg/dm³.
Aquarium Fish Capacity
The aquarium, 60 cm long, 30 cm wide, and 40 cm high are filled with water up to 9/10 high. How many fish can there be if everyone needs at least 3 liters of water?
Rectangular prism
What is the volume if I have a rectangular prism with a length of 1,000 cm, a width of 30 cm, and a height of 50 cm?
Corridor step calculation
Jacob walked down the corridor in 24 steps, 45 cm long. How many steps will a janitor cross this corridor if his step is 72 cm long? How long is the headmaster if he walks 18 corridors?
Thunderstorm
The sound travels 1 km in about 3 seconds. How far is the storm if there is a time interval of 8 seconds between lightning and thunder?
Heart blood pumping
In 1 minute, the human heart pumps an average of 5 liters of blood. How many hectoliters will be pumped a) in 1 day and b) in 1 year?
Square Area Parallel Lines
What is the area of a square when the distance between parallel lines is 6?
Report 2
A School reports students to teacher ratio of 6:1. If there are 45 teachers in the school, how many students are there?

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