Maths practice for 11-year-olds. - page 116 of 222
Number of problems found: 4438
- Multiplied 17563
John considered the number. He multiplied it by four and added 18 to the result, which was ten times the number 8. Which number did Honza think? - A library
A library has 12,500 fiction books and 19,000 nonfiction books. Currently, 2/5 of the fiction books are checked out, and 2/5 of the nonfiction books are checked out. Of the books checked out, only 1/10 are due back this week. How many books are due this w - Block-shaped 17543
The block-shaped reservoir has 147 hl of water and is 3.5 m long and 2.8 m wide. Calculate its height. - People 17333
The room is 240 cm high and has a volume of 48 m³. How many people can work in it when there is 7 m² of floor space per person? - Diamond-shaped 17293
A diamond-shaped plot of land has a side of 0.032 km and a height of 17 m. One meter of wire mesh costs € 5.40. How much mesh is needed to fence the area? - Weighing 17273
A body weighing 2 kg with a 7.8 g / cm³ density is placed in water. Does the body sink? Will he swim (1 = Yes, 0 = No)? - The run
The student ran a 60 m track in 9.5 s on the school playground. What is the average speed of his run? - Initially 17213
After the purchase, Eva was left with CZK 360. How much did she initially have when she spent a third of her original money on the purchase? - Block-shaped 17203
A block-shaped pool with bottom dimensions of 12 m and 20 m and a depth of 2 m is filled with two pipes. The first pipe flows 6 l of water per second, the second 2.4 hl per minute. How many hours and minutes will the pool be filled 40 cm below the edge? - Metal barrel
A barrel for transporting fuel has a height of 90 cm and a radius of the base of 30 cm. How many square meters of sheet metal are needed to make a barrel? - Juice-soaked glass
1. Find the dimensions of a 5-liter cylindrical container if the height of the container is equal to the radius of the base. 2. There are three dl of juice in a cylindrical glass with an inner diameter of 8 cm. Calculate the area of the juice-soaked por - Approximately 17143
The decorative round flowerbed has a diameter of 480 cm. How many tulips can we plant in the flowerbed when we count approximately 25 cm of square land per 1 tulip? - Four-ninths 17133
Jana dug four rows, which is four-ninths of a garden. How many rows does the garden have? - Smaller 17093
There are two gears in the wall clock. The larger wheel has 54 teeth, and the smaller one has 24 teeth. How many times does the small wheel turn if the big one turns four times? - Three-quarters 17073
How many identical pieces did the whole chocolate consist of if I ate three-quarters of the chocolate, which was exactly 15 pieces? - Perimeter 17063
The area of the floor plan is 5400m². What will be the perimeter of the square floor plan? - Temperature 13
Work out the temperature after each change. The temperature starts at six °C and falls by 13°C. The temperature starts at two °C and falls by eight °C - One-quarter 16853
How many m² of paper are needed to produce 1000 pieces of cube-shaped boxes with an 8 cm edge when we must add one-quarter of the area to the joints? - Dimensions 16813
Calculate how many bricks we will need to build a room that should be 1.8 m wide, 2 m long, and 2.4 m high. The dimensions of the brick are 25 cm x 60 cm. - Diameter 16803
The large wheel of the tractor has a diameter of 1.20 m. The small wheel has a radius of 35 cm. How many turns will a small bike make on a 5 km long track?
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