Maths practice for 11-year-olds. - page 153 of 224

Number of problems found: 4479

Natural numbers equation
Find the natural numbers x and y such that: 1/2 = x / y and in addition that: x + y = 6
Map scale
The rectangular plot has a scale of 1:10000 and an area of 3 cm² on the map. What area does this plot have on a 1:5000 scale map?
Hotel Rooms Count Triples
There are a total of 110 beds in the hotel, which are available in single, double, and triple rooms, while there are three times more triple rooms than single rooms and twice as many double rooms as triple rooms. How many triple rooms are there in total i
Clock Delays Time Shown
The tower clock delays only 55 minutes in an hour. It's noon, and the clock shows the exact time. What time will they show up after four hours?
Paying with Banknotes
The customer paid the amount of CZK 3,200 with the same 100-crown, two-crown and five-crown banknotes. How many banknotes did he use to pay the amount if he paid precisely the amount?
Four Even Numbers Sum
The sum of four consecutive even numbers is equal to 108. Which of the numbers is equal to the smallest of these summands?
Small Cubes Large Cube
The largest number of small cubes with an edge length of 2 cm will fit in a large cube with a volume of 216 cm³.
Unknown Number Operations
We first reduce the unknown number by 5, multiply by three, and finally reduce by 4 to get the number 7. What was the unknown number?
A number
A number increased by 7.9 is 8.3
Clock Hand Angle
What is the angle of the big hand of the watch in 20 minutes?
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).
Football Field Width
The football field has an area of 75.75a. What is the width if its length is 101m?
Temperature Drop Degrees
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?
Paper kite purchase
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?
Pine Seedlings per Area
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?
Hr to min
Sue biked to school in 5/12 of an hour. How many minutes did it take her to ride to school?
Car Travel Time Minutes
How many minutes will a car voyage 10 km at a speed of 75 km/h?
Drawing Rectangle with Area
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.
Road Roller Surface Area
The road roller is 2 m long and 1 m in diameter. How many square meters of road roll when it turns 15 times?
Reading Pages Over Weekend
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?

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