Maths practice for 11-year-olds. - page 25 of 224
Number of problems found: 4480
- Swing boy distance
An 8-meter-long swing is supported at the center. A 30 kg boy is sitting at one end. How far from the axis of rotation on the other side of the swing must the second boy of mass 40 kg sit? - Pillar path length
Next to the road are 15 pillars at a distance of 2.5 meters. The pillars are 15 cm wide and stand at the beginning and end of the path. Calculate the length of the path in decimetres. - Wallpaper - box network
How much dm² of wallpaper is needed to stick a box (without a lid) in the shape of a cube with an edge of 12 dm? - Fraction of a kilogram
Write what part of a kilogram is: a) 10 g b) 45 g c) 7 g - Meter fraction parts
Write which part of the subway is: a) 1 mm b) 5 cm c) 38 mm d) 230 cm - Club members
The fan club has 275 members. Some members went to the match by train. Determine how many members rode when they could fill the wagons with either 60 or 80 seats. - Fraction quotient seventh
Calculate one-seventh of the quotient of the fractions three-quarters and two-thirds. - Number quadruple reduction
I think a number. I reduce its quadruple by 8 and divide the result by 3. I get 100. Which number do I think? - Meat price kilograms
3 kg of meat costs €8.10. How many kg of meat can we buy for €27? - Flower bed mesh
A rectangular flower bed, one side formed by a wall, must be fenced off with 8-meter-long mesh. What should the flower bed length be so the area is as large as possible? - Cube cuboid minimum
Let us have a cube whose edge length is expressed in centimeters and is a natural number. What is the smallest number of such identical cubes that can be made into a cuboid with dimensions of 24 cm, 32 cm, and 60 cm? How long will the edge of these cubes - Jana age multiplication
Jana is so many years old this year that if she multiplies her age by seven and adds 9, she gets 100. How old is Jana? - Square rectangle side
A square in a grid contains 36 squares. This is one-fifth of the number of squares of a rectangle whose side is 30 squares long. What is the length of the other side of the rectangle? Thank you - Classmate strawberry baskets
Three classmates worked part-time during the summer vacation harvesting strawberries. Jan collected 145 baskets of strawberries during the entire brigade. Peter collected 185 baskets. How many baskets did their classmate Stan collect if we know that the b - Tomáš NHL cards
Tomáš collects NHL cards. Find out that he will never have any cards left if he divides them into groups of three, four, five, or six. Determine how many hockey cards Tomáš has; if their number is three-digit and starts with the number 2, - Triangle square area
A right triangle has an area of 36 cm². A square is placed in it so that two sides of the square are parts of two sides of a triangle, and one vertex of the square is in a third of the longest side. Determine the area of this square. - Cyclist distance hours
A cyclist travels at an average speed of 22 km/h. Determine how many kilometers he travels in three and a quarter hours. - Number distant equally
Which number is also distant from the numbers 5.3 and 7.7 on the number line? - Dimensions - building
The H-shaped building consists of 3 parts. Two identical components have the following dimensions: height 805 cm, width 525 cm, and length 15 m. The third cube-shaped part is 7 m wide. What is the total volume of the building in cubic meters? - Expression value calculation Calculate the value of the expression V = 3x²- 2x + 3 for x = -2.
Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.
