Maths practice for 11-year-olds. - page 181 of 222
Number of problems found: 4421
- Good swimmer
A good swimmer swims 23 m distance with ten shots. How many shots does he swim to an island located at 81 m if he still swims at the same speed? - Cuboid box
Cuboid box have dimensions of 30 cm, 25 cm and 40 cm. Sketch its network and compute the surface area of the box. - Sugar
From 3 tons of sugar, beet produced 480 kg of sugar. How many tons of sugar was produced from 17.5 tons of sugar beet? - Pin weight
Fifty pins with the same weight weigh 4.6 grams. How much do 15 pins weigh? - Potato delivery
When delivering potatoes, the driver unloaded one-half of the bags of potatoes in the first store, one-third of the remaining bags in the second store, and the last 24 bags of potatoes in the third store. How many bags did the driver initially have in the - Ball drawing
We put 5 blue, 4 red, and 7 yellow balls in an unmistakable bag. Fero's task is to draw a yellow ball while blindfolded. How many marbles must Fero draw to be sure that a yellow marble will be among the ones drawn? - Square glass
What is the square window glass area with the side 4 dm? Do you know how many cm² is? - 1/10 of meter
How many centimeters is one-tenth of 1 meter? - Charles Bridge
From 1900 to 1931, Charles Bridge was 15 times older than Frantův Bridge. How old is the Charles Bridge? - Pool perimeter
How many meters did the boys run if they ran three times around the pool, which is 50 m long and 20 m wide? - Map scale
The distance between the two cities is 25km. This distance was drawn on the map by a line 5 cm long. What is the scale of the map? - Carousel perimeter
The carousel wheel has a diameter of 138 meters and has 20 cabins around the perimeter. What is the circumference of the wheel? - Dice options
We roll three dice. Write down all the feast options. - Hectoliter into cube
Can 1 hl of water fit into a half-meter cube? - Unknown number
If we multiply the number by 4, I get a third of the number 36. Specify an unknown number. - Triangle construction
Draw a circle k (S, r = 3 cm). Build a triangle ABC so that its vertices lie on the circle k and the length of the sides is (AB) = 2.5 cm (AC) = 4 cm - Czech crowns
Oliver has one 1-crown coin. Philip has a 5-crown coin, a 2-crown coin, and a 1-crown coin. Ralph has a 20-crown banknote, a 10-crown banknote, and a 5-crown coin. The boys received a 51-crown coin together. How can they share the money fairly, given that - Cabinet painting
The cabinet for storing garden tools is shaped like a cube with an edge length of 2 m. How many m² of paint will we need to paint this cabinet if we paint everything except the bottom base? How much will it cost to paint a cabinet if one can of paint for - Flooring area
The room has the shape of a rectangle measuring 6 m and 5 m, the children's room has dimensions of 5 m and 4 m, and the bedroom has the shape of a square measuring 4 m. How many m² of floating floors do they need in all rooms? - The sidewalk
The sidewalk is 50 m long. On a scale of 1:200, what will the length of the plot plan be?
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