Maths practice for 11-year-olds. - page 158 of 191
Number of problems found: 3808
- Calculate 3169
Calculate the perimeter and area of a square with a side length of 1.3dm - Mineralka 3168
Petr bought 0.35 kg of ham, six rolls, and mineral water for a snack. How much did he pay for the purchase? (Mineralka costs 14.60 CZK, a roll 3.40 CZK, and a kilogram of ham 129 CZK). They rounded up the purchase to whole crowns. - Calculate 3163
Calculate and convert: 0.2m² + 80dm² + 200cm² = how many m2 - Schoolyard 3158
The schoolyard has the shape of a rectangle. Inside, a football field is 50 m long and 20 m wide. There is a 2 m wide racetrack around the course. How many meters does the fence measure around the entire school yard?
- Dimensions 3155
Míša bought an aquarium in the shape of a cuboid with bottom dimensions of 30 cm x 15 cm and a height of 20 cm. The seller advised him to fill the aquarium with water only to a height of 15 cm. How many swordfish can Micho buy for the aquarium if he knows - Surface 3154
The cube's edge, the volume of which is 58.3% of its surface, is a) 3.5cm, b) 4.5cm, c) 2.5cm d) 1.5cm. - Reappeared 3152
At 6:15, a ghost conjured a clock that showed the correct time. At that moment, the hands on the clock began to move at the correct speed but in the opposite direction. The ghost reappeared at 7:30 p.m. What time was the clock showing at this moment? - Tank
To cuboid tank whose bottom has dimensions of 9 m and 15 m were flow 1080 hectoliters of water. This filled 40% of the tank volume. Calculate the depth of the tank. - Expression 3143
Determine the value of the expression 3x / 2 - 5/2 - 0,5x + 1 for x: a) x = 3 b) x = -3 c) x = 0
- The cube
The cube has a surface area of 486 m². Calculate its volume. - Variables: 3140
Determine the value of the expression 3a + 2b - a² - 4b² for the values of the variables: a) a = - 1, b = 3 b) a = 2, b = -1 c) a = -2, b = -3 d) a = 4, b = 2 e) a = -5, b = 0 - Resulting 3139
We place three identical cubes with an edge length of 3 cm on top of each other. What is the surface of the resulting block? - Different 3137
Mark 4 different points O, P, R. S. Mark of line OP, OR, OS. Measure the marked lines. - Cylinder
The cylinder-shaped container has 80 liters of water. The water reaches 45 cm in height. How many water liters will be in a container if the water level extends to a height of 72 cm? Write the result in liters. Write down only as a whole or decimal number
- Centimeters 3131
111 square centimeters of sheet metal are used to produce one part. How many of the most parts can we make from sheet metal with dimensions of 3 m wide and 0.75 m long? - Bottom 3129
How many m² tiles do we need to line the walls and bottom of the pool in the shape of a block 25 m long, 10 m wide, and 180 cm deep? - Land
The land has a rectangular shape, and its surface area is 1.45 hectares. Its width is 250 m. Determine the length of the land. - Granite cube
What is the weight of a kilogram granite cube with an edge of 0.5 m if 1dm³ of granite weight 2600 g? - Square tiles
The room has dimensions of 12 meters and 5.6 meters. Determine the number of square tiles and their largest dimension to exactly cover the floor.
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