Maths practice for 12-year-olds - page 184 of 350
Number of problems found: 6986
- Rectangular 20023
The land has a rectangular shape with 75 m and 450 dm dimensions. Calculate the acreage of the land and, convert the result, and round to whole ares. - Students 20003
The class's ratio of boys to girls is 5:7. There are ten boys. How many students are in the class? - Determine 19953
The distance between the tip of the minute hand and the center of the dial is 12 mm. Determine the distance traveled by the tip in 45 min. (draw a clock face and a minute hand and realize the distance it will cover in 45 min.) - The freezer
1. The temperature inside a freezer is minus 23 degrees Celsius. The temperature falls by a further 12 degrees Celsius. What is the new temperature? 2. What is the difference between temperatures of 12 degrees Celsius and 210 degrees Celsius? - Kilometers
The scale of the map is 1:100,000. How long is the road, which is 4.7 cm long on the map, really long? - Five-digit 19873
Find the smallest five-digit number A432B that is divisible by 15. - Together 19833
Lucie, Jan, and Matej shared the candy in a ratio of 3:4:5. Matej got 20 sweets. How many candies did they share? - Rectangular 19823
Three hundred eighty-four tiles are used to cover the roof of 48 m². How many identical tiles are used for a rectangular roof measuring 6m and 9.5m? - The excavation
The excavation for the city sewer was 38 m long, 2.2 m wide, and 3 m deep. a) How many cubic meters of soil were dredged b) How many journeys had to be made by one car when removing the soil if they loaded an average of 4.5 m of cubic soil on each journey - Cylindrical 19773
When we pour 3 l of water into a cylindrical tin can, the water rises to 20 cm. Calculate the average can. - Square sides
If we enlarge the side of the square by a third, its circumference will be 20 cm larger than the original. What is the side of the square? - Radius of sphere
The surface of the sphere is 1256 cm². Calculate the radius of the sphere. - Integer cube
The length of the cube edge is an integer. Its volume is in cm3, a five-digit number divisible by 1331. What is the length of the edge of this cube? - Calculate 19653
Calculate the height of the rhombus ABCD on the side a if a = 58 dm and its area is 49.3 m2 - Magnitudes 19623
Calculate the magnitudes of the interior angles of a triangle if you know that these are in a 2:3:5 ratio. - Equation: 19613
Equation: 6 (x + 1) -4 (2x + 3) = 7 (x-1) +5 (9-x) - Circumference 19603
The rhombus has the dimensions a = 9.1 cm; b = 8 cm; height to side a: va = 7.3 cm. Calculate the circumference, area, and size of the second height. - Divide 19593
Divide 910 CZK in a ratio of 3:4 - Ages ratio
The father is 36 years old, and his daughter is four years old. Write down the ratio of father and daughter's ages. What will be the age of the father and daughter in four years? - Dividing money Milan divided 360 euros in the ratio of 4:5, Erik in the ratio of 500:625. How many euros did the individual parts of Milan, and how many Erik?
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
