Maths practice for 11-year-olds. - page 185 of 193
Number of problems found: 3860
- Garden
The rectangular garden is 72 m long and 25 m wide. Calculate by how many m² its area will be reduced if it is surrounded by an ornamental fence 50 cm wide. - Eggs
Mother bought from neighbors 39 domestic eggs. Her neighbor got back €4.54 from €10. How many euros get back from 20 banknote if she buys 94 eggs from a neighbor? - Division
Divide by the number 0.2 is the same as multiplying by what number? - Chocholate
The table of chocolate is divided into squares on its surface. Lengthwise has 15 squares and widthwise 19 squares. We must chocolate broke into individual squares. How many times have we broken it to get only individual squares? It is not permitted to bre
- Trains
Daily passes the same track section 8 pairs of trains with average 2400 passengers. How many people, on average, travel on one train? - Wire cut
A wire of length 9 m was cut into equal lengths using 5 cuts. How long is each piece? - Textbooks
A math textbook is 1 4/7 inches thick. How many of these books will fit on a 22-inch self? - Popsicles
Francis went to buy ice lollies. If he buys 8 popsicles, he misses 4 USD. When he purchased 7 popsicles, he got back 1 USD. How many USD was a popsicle? - Mistake
Nicol needs to correct errors when calculating in school. Instead of adding the number 20, she subtracts it. What is the difference between the result and the correct result?
- Parallelogram - side
Calculate the length of the side of a parallelogram whose area is 161 dm² and height to that side is 23.6 dm long. - Parallelogram
Calculate the area and perimeter of a parallelogram whose two sides are long a=24 cm b=22 cm and height ha = 6 cm long. - Cyclist
A cyclist passes 64 km in 4 hours. How many kilometers did he pass in 7 hours? - Mailbox
Mailbox is opening at regular intervals 3 times a day. The first time is opened at 8:00 and the last at 19:00. Calculate the hours when the mailbox is opened during the day. - Trapezium
Find the height of the trapezium ABCD, which has an area 77.5 cm² and base lengths 16 cm and 15 cm.
- Building
Lenka has 22 cubes for constructing a building comprising three cubes in height, the width of two cubes, and the length of four cubes. Is she able to build a building with these cubes? - Quadrant II
Calculate the radius of the quadrant, which area is equal to the area of the circle with radius r = 15 cm. - Rectangle
Calculate the perimeter of the rectangle with sides a=2.4 m and b=1.9 m. - Tiles
How many 37 cm square tiles will cover a floor 11.84 m by 17.39 m? - Count of roots
How many solutions have equation x. y = 7757 with two unknowns on the set of natural numbers?
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