Maths practice for 12-year-olds - page 225 of 348
Number of problems found: 6953
- Pool
The prism-shaped pool is 2 m deep, with a bottom of the isosceles trapezoid, base dimensions of 10 m and 18 m, and arms legs 7 m long and 5.7 m long. During the spring cleaning, we must paint the bottom and walls of the pool. How many m² of paint should b - Perpendicular prism
Calculate the volume of the vertical prism if its height is 60.8 cm and the base is a rectangular triangle with 40.4 cm and 43 cm legs. - Isosceles triangle
The circumference of the isosceles triangle is 32.5 dm. The base length is 153 cm. How long is the leg of this triangle? - One hectare
How many square meters are one hectare? - Tractors
Five tractors will plow the field for 8 hours. In 2 hours, one tractor broke down. How long do the remaining tractors complete the plow? - Budget plan
In the construction of the building, the planned budget exceeded 13%, which was 32,500 euros. How many euros did it cost to build the building? - Degrees 2
The temperature was 3°F and fell four degrees Fahrenheit. What is actually temperature? - Difference in temperatures The temperature in the number line shows minus 15 degrees celsius and 8-degree celsius. What is the difference between the temperatures?
- Container
The container-shaped box with internal dimensions of 3.9 m, 3.25 m, and 2.6 m was completely filled with goods in the same cubic boxes. How long edge could this box have? - Largest 6886
There are two cubes. One has an edge of 9 dm and the second of 9 cm. How often does the largest cube have a larger volume than a smaller one? - Sum of fractions
What is the sum of 2/3+3/5? - Is right triangle or not
If the right triangle is ABC, it has sides a=13, b=11.5, and c=22.5. Find area. - Divider 6874
Divide 2502 dm in the ratio of 2:4 - Land area 2
A land area was divided among the three heirs in the ratio of 5:2:4. If the largest share was 20 hectares of land, what is the total land area? Please show your solution and what kind of proportion it is. - Reciprocal equation 3
Solve a reciprocal equation: 1/2 + 2/3=1/x - Together 3
If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together? - Average grade
In the 9th grade, the teacher evaluated 24 pupils in the semester: 5 received grade 1, 8 received grade 2, and 11 received grade 3. Find the average grade in mathematics. - After 2
After we planted flowers in 2/5 of our garden, 24m remained unplanted. How many meters is the garden in total? If the total area of the garden is 1, what is the proportion of the remaining area? - Equation 29
Solve the next equation: 2 ( 2x + 3 ) = 8 ( 1 - x) -5 ( x -2 ) - Perimeter of base
The circumference of the base of the rotating cylinder is the same as its height. What is the diameter and height of this cylinder with a volume of 1 liter?
Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.
