Maths practice for 11-year-olds. - page 16 of 194
Number of problems found: 3880
- Fifths 83882
What is two-fifths of 175? - Minutes 83870
How many minutes is five-sixths of half an hour? - Stella 83799
Stella rolls a die from 1 to 6. How many times does she have to roll the die to be sure that the sum will be 4? - Calculate 83788
The angles alpha and beta are adjacent. Calculate the size of the angle beta if alpha is 57°.
- DEnsity of a cuboid
What is the density of a building board in the shape of a cuboid with dimensions 1 m, 20 cm, and 20 cm, if its mass is 84 kg? - Consecutive 83783
Can you find three consecutive whole numbers such that the sum of the first and third is 128? - Cylindrical column
What is the mass of a reinforced concrete cylindrical column with a radius of 30 cm and a height of 4.5 m if the density of reinforced concrete is 2400 kg/m³? Round the result to whole kilograms. - Sand pedestal
The pedestal under the giant billboard is a prism-shaped steel plate structure filled with sand. How much sand will it fit, and what is the area of the plates used? We can neglect their thickness. The dimensions are 1m*4m*90cm. - 40cmx60cm 83619
The stand on which the posters are stuck has the shape of a cone. It is 2.4m tall. The side of the cone is 2.5 m long. How many 40cmx60cm posters can be stuck on the stand so they do not overlap?
- Container 83618
The total pressure in the container is 5 MPa. Is there negative or positive pressure in the container (write the answer as A or B)? - Telegraph 83610 How much wood was used to make 200 telegraph poles 6 m high and 15 cm in diameter
- Diameter - tent
The cone-shaped tent is 3 meters high. The diameter of its base is 3.2 m. How many m³ (cubic meters) of air are in the tent? - Subtract 83577
If I subtract 3/5 from it, I get 2/5. What number do I think? - Product 3DN How many three-digit numbers are there whose product of digits is 5?
- Calculate 83569
Calculate the length of a yard with an area of 9.5 ares if its width is 16 meters. - Parallelogram 83558
In a parallelogram, ABCD, the angle at vertex B is 108°. What is the angle size at the vertex D? - Collection 83537
Nine-year-old Lucia is preparing for testing. He solves a collection of 40 tasks per day. He will need 9 days to solve all the tasks. How many days earlier would she finish if she solved 60 tasks a day? - Perimeter 83524
The swimming pool is 25 m x 12 m. The safety coating around the perimeter needs to be restored. One can of paint is enough to paint 15 m. How many cans of paint should be bought? One can cost 300 Sk. How much SK will we pay for the paint? - Travelers 83488
Travelers made 2/5 km of journey per day. How long did it take her to cover the distance of 2.4 km?
Calculate the length of a side of a rhombus if you know that the perimeter of the rhombus is 19.88 mm and one side is 4.34 mm long.Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
