Maths practice for 11-year-olds. - page 104 of 226
Number of problems found: 4508
- Production people
Calculate how many people are in production, if there are 1/5 workers on the morning shift, the afternoon shift has 3/10, and 50 people will join the night shift. - Going to paint
The dimensions of the room are 3.8 and 3.4 m. The height is 2.6 m. The doors and windows together have 3.5 m². We are going to paint. The first coat with white basic we apply on the walls and ceiling. We paint with colour only the walls. Calculate how muc - Thousand balls
We must create a thousand balls from a sphere with a diameter of 1 m. What will be their radius? - Cylindrical tank
9.6 hl of water is poured into a cylindrical tank with a bottom diameter of 1.2 m. What height in centimeters does the water reach? - Apple purchase calculation
In the autumn, the school canteen bought 50 kg of apples for 12 CZK. If the apples already cost 20 CZK, how many kilograms of apples could they buy before Christmas for the same amount? - Car distance calculation
The car will drive 70 km in 56 minutes. How many meters will he drive in half an hour? - Circumference circles
What is the circumference and area of the circle if r = 18 cm - Water level
What is the area of the pool's water level after filling 25 m³ of water level by 10 cm? a) 25 m² b) 250 m² c) 2500 dm² d) 25,000 cm2 - At noon
At noon today, it was 6 °C outside, but it has increased to 4 °C since then. What is the temperature outside now? - Milk cartons
How much paper do we need for 12 tetra packs with 6 cm, 11 cm, and 20 cm dimensions? Will 1 liter of milk fit in the box? - Height
The area of the triangle is 35 cm². The length of the base is 10 cm. Determine the length of the height on the base. - Two consecutive
I am thinking of two consecutive natural numbers from 1 to 10 inclusive. To student 1 I whisper one of these numbers, to student 2 I whisper the other one. The students know that I whisper numbers from 1 to 10 to them, but they do not know the number whic - On the floor
You enter the room, and there are two dogs, four horses, one giraffe, and one duck on the bed. Three chickens are flying over the chair. How many feet are on the floor? - Can delivery calculation
They delivered the same number of cans of stuffed cabbage leaves and leche with sausage to the store. On the first day, they sold 10 cans of cabbage leaves and 85 cans of leche. So there were six times more cans of cabbage leaves than cans of leche. How m - Garden square conversion
The garden is 1 cm wide and 90 km long when we turn it into a square with the same area. How long will the square be? - Bun baking calculation
Mom baked cheese and poppy seed buns. One-third of them, 26 buns, were poppy. How many buns did mom bake? - Water reservoir
What is the mass of a metal cylinder-shaped reservoir with a diameter of 2 m and a length of 8 m, if 1 m² of sheet metal weighs 100 kg? - Converting units
Healthcare professionals frequently convert from one system of measurement to another. Whether you are converting a metric measurement into the household system for a patient or converting within the metric system to enter data in a specific format, the a - The triangles
The triangles ABC and A'B'C 'are similar, with a similarity coefficient of 2. The angles of the triangle ABC are alpha = 35° and beta = 48°. Determine the magnitudes of all angles of triangle A'B'C '. - Weight
The kilogram weight has a volume of 116 ml. From which material is it probably made? Use substance density tables, e. G. mathematical-physical-chemical tables.
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