Maths practice for 11-year-olds. - page 185 of 224
Number of problems found: 4462
- Centimeters 3623
The children's kit consists of blocks and cubes. Each cuboid has dimensions of 6 cm, 5 cm, and 4 cm, and each cube has an edge 5 cm long. Which of these building blocks has the larger surface area, and by how many square centimeters?
- Weight 3618
Fifty pins with the same weight weigh 4.6 grams. How much do 15 pins weigh?
- Delivering 3616
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
- Unmistakable 3609
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?
- Around 3578
How many meters did the boys run if they ran three times around the pool, which is 50m long and 20m wide?
- Distance 3575
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?
- Perimeter 3573
The carousel wheel has a diameter of 138 meters and has 20 cabins around the perimeter. What circuit does the bike have?
- Options 3572
We roll three dice. Write down all the feast options.
- Hectoliter into cube
Can 1 hl of water fit into a half-meter cube?
- Measures 3563
What is the actual length of the road, which measures 5 cm on a 1:250000 scale map?
- Multiply 3560
If we multiply the number by 4, I get a third of the number 36. Specify an unknown number.
- Triangle 3552
Draw a circle k (S, r = 3cm). 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
Oldrich has one crown. Peter has five crowns coin, a two crown coin, and a one-crown coin. Radek has a twenty-crown banknote, ten banknotes, and a five-crown coin. The boys got one fifty-one crown and one crown coin. How can they share the money fairly wh
- Everything 3536
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
- Dimensions 3531
The room has the shape of a rectangle measuring 6m and 5m, the children's room has dimensions of 5m and 4m, and the bedroom has the shape of a square measuring 4m. 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?
- Calculate 3526
Calculate the height size in the triangle ABC if the side length a = 20cm and the area of the triangle is 50 cm square.
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