Maths practice for 11-year-olds. - page 107 of 222
Number of problems found: 4433
- Flowerbed 25241
How large should we sow an area with grass in a circular flowerbed with a radius of 4m? - Radius 25211
The wheel has a radius of 31 cm. If we ride 1,168 km, how many times does it turn? - Quadrilateral 25201
Calculate the volume and surface of a regular quadrilateral prism with a base edge a = 46 mm and a height v = 0.67 dm. - Millimeters 25051
The juice is sold in cans with a radius of 30 mm and a height of 11 cm. There are 0.25 liters of juice in the cans. How many millimeters below the can lid is the level? - Second side
Calculate the length of the other side of the rectangle if its circumference is 60 cm, and one side is 10 cm long. - Calculate 24941
Calculate the surface and volume of a cylinder with a base radius of 5 cm and a height of 8 cm. - Divided 24811
Walgal cake was divided into thirds. Peter ate one piece. How much of the cake did he eat, and how much cake was left? - Volumes 24771
The block and the cube have the same volume, 216 cm³. The block has side lengths of b = 4 cm and c = 9 cm. Can they have the same side? - Average price
The sixth grade went on a trip to Moravia. Every 26 pupils paid CZK 320, and the school paid a total of CZK 3,510. What was the average price of a trip per student? - Business 24751
Dad drove a business trip to a place 348 km away. He arrived at the scene after four hours. What was the average speed? - Wednesday 24741
Eva read 20 pages of the adventure book on Monday,15 on Tuesday, and 19 on Wednesday. She did not read on Thursday but read 36 pages on Friday. On average, how many pages per day did she read? - Trapezoidal 24731
Calculate how many candies fit in a box shaped like a 4-sided prism with a trapezoidal base with base dimensions of 20 cm and 3.2 cm. The distance between the bases is 50 mm. The container is 32 cm high, and 1 candy occupies 2.5 cm³ of volume. - The dough
The dough contains water, flour, and sugar. Water and flour are in a ratio of 2:3, and flour and sugar are in a ratio of 2:1. Find the ratio of all three components of the dough. - Perpendicular 24671
The right triangle has an area of 2304 cm2, and one perpendicular is 8 cm long. Express and calculate the second perpendicular. - Circumference 24601
The triangle has a circumference of 19.5 cm. From the formula for calculating its circumference, express successively unknown a, b, c. Then over by substituting: a = 8 cm; b = 6.5 cm; c = 5 cm. (always count the expressed side) - Expression 24531
1. The sum of three times the character b and the number 8. Find the value of the expression for b = 3. 2. Six times less than z and find the value of the expression for z = 12 - Calculate 24511 Calculate the height of the cylinder if d = 1.6 dm and V = 489 cm³.
- The corridor
The corridor is 12 m long and 3.6 m wide. It must be paved with rectangular tiles measuring 15 cm and 30 cm. Are 1000 pieces of tiles enough to pave the corridor? - Volleyball - air in ball
The radius of a volleyball is 10 cm. Calculate how many liters of air fit into an ideal inflated ball. Calculate how many square meters of leather material you need to make it. - One-tenth 24421
Zdenka wants to tile her new bathroom. The bathroom has a square shape with a side length of 2.5 m. How many euros will he pay for new paving if 1 m² of paving costs 12 euros? But do you have to account for one-tenth of the tiling waste that needs to be b
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