Maths practice for 11-year-olds. - page 187 of 194
Number of problems found: 3880
- 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?
- 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=18 cm b=14 cm and height ha = 2 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 4 times a day. The first time is opened at 8:00 and the last at 16:00. Calculate the hours when the mailbox is opened during the day.
- Trapezium
Find the height of the trapezium ABCD, which has an area 87.5 cm² and base lengths 15 cm and 10 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? - Medicament
Many manufacturers produce the same type of medicament in various packages with different active substance content. Pack 1: includes 60 pills of 600 mg of active substance per pack cost 31.5 Eur. Pack 2: includes 100 tablets of 1200 mg of active substance - Quadrant II
Calculate the radius of the quadrant, which area is equal to the area of the circle with radius r = 15 cm. - Tiles
How many 18 cm square tiles will cover a floor 8.46 m by 5.76 m?
- Count of roots
How many solutions have equation x * y = 7757 with two unknowns on the set of natural numbers? - I think number
I think number. When I add 432 to it and subtract 197, I get a number that is 39 greater than 1824. What number am I thinking? - Quotient
Determine the quotient (q) and the remainder (r) from division numbers 100 and 8. Take the test of correctness. - Pool
Mr. Peter builds a pool in the garden in the shape of a four-sided prism with a rhombus base. The base edge length is 8 m, and the distance between the opposite walls of the pool is 7 m. The estimated depth is 144 cm. How many hectoliters of water does Mr - Strip
From 3 cm wide strip should be cut rhombus with area 16 cm². How long will it be on its side?
There are 32 students in the 6A class, and the teacher managed to give tests to 12 students. 12 testes he gave in 12 min. How many pupils still haven't tested? How long will it take the teacher to give tests to 29 students?Do you have unsolved problem that you need help? Ask a question, and we will try to solve it. Solving math problems.
