Maths practice for 11-year-olds. - page 24 of 230
Number of problems found: 4588
- Subway 82864
Write which part of the subway is: a) 1 mm b) 5 cm c) 38 mm d) 230 cm
- Determine 82852
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.
- Fractions 82848
Calculate one-seventh of the quotient of the fractions three-quarters and two-thirds.
- Quadruple 82844
I think a number. I reduce its quadruple by 8 and divide the result by 3. I get 100. Which number do I think?
- Costs 82804
3 kg of meat costs €8.10. How many kg of meat can we buy for €27?
- Rectangular 82803
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?
- Centimeters 82756
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
- Multiplies 82742
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?
- Rectangle 82740
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
- Strawberries 82738
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
- Determine 82733
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,
- Determine 82724
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.
- Kilometers 82721
A cyclist travels at an average speed of 22 km/h. Determine how many kilometers he travels in three and a quarter hours.
- Numbers 82720
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 82698
Calculate the value of the expression V = 3x²- 2x + 3 for x = -2.
- Calculate cone - r,h
A rotation cone with a radius of 24 cm and a height of 36 cm is given. Calculate the surface area and volume.
- Different 82683
There are candies from 1 to 10 in ten different packages. Each child took two packages. They got so many candies: Anka: 5 Zuzka: 7 Katka: 9 Monica: 15 How many candies does Lucka have?
- Divided 82614
He had 810 sheep in the herd, and he divided them among the three bachas in such a way that bacha Ondrej Dostál got three parts, bacha Kubo got four parts, and bacha Maťo got two parts of sheep. How many sheep did each batch get if all parts were equal?
- Treasures 82613
He divided his 15 gold treasures between his two sons in such a way that the elder got three parts and the younger got two parts of the entire wealth. How much treasure did each son get if all the parts were equal?
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