Maths practice for 12-year-olds - page 243 of 347
Number of problems found: 6923
- Ermine - road
The Ermines had been waiting for years for the road in their street to be repaired. Little Jirka did not let this event pass him by and watched everything carefully from the window. On the road 120 m long and 6 m wide, trucks with asphalt began to pull up - Storing Cubes in Boxes
Eric cleans up after playing with a cube-shaped cube with an edge of 14 cm. He cleans them into three boxes. How many cubes can fit in: 1) cuboid with edges 4.2 dm, 5.6 dm, and 7 dm? 2) a cube with an edge of 560 mm? 3) cuboid with edges 0.98 m, 2.8 dm, a - Babysitting
Susan's hourly rate for babysitting is directly proportional to the number of children she watches. She charges $4.50 for three kids. How much would she charge for babysitting five kids? - Sharing Money Equally
Adam, Cyril, and Boris have a total of 102 CZK. How many crowns does Adam have, how many Boris and how many Cyril, if all three have the same when: a) Adam gives three crowns to Cyril b) Boris will give half of his money to Cyril c) Adam will give a third - Mug in Cube Box
A cylindrical mug is packed in a 1-liter cube paper box. The mug is in close contact with all the walls of the cube. What volume is my mug? - Ratio Convert Basic Form
Convert the ratio to the basic form: 3.5:70 - Office Carpet and Rails
The worker bought a new carpet with moldings for the square office. The rails for this office cost CZK 1,500; 15 CZK per 1 m. How many m² does this office, in which six people work? - Change Number in Ratio
Change the number 132 in the ratio of 7:3. - Divide Number Ratio Three
Divide the number 600 by the ratio of 9:10:11 - Bus time
The bus runs 6 km in 9 minutes. How many minutes will the bus go to a place 42 km away if it doesn't stop along the way? - Scale of the map
The distance between the two cities is actually 30 km, and the map is 6 cm. What is the scale of the map? - Map Distance in Centimeters
How many cm on a map with a scale of 1:150,000 will two cities be separated when their distance is 30 km? - Steps
Peter walked a distance of 60 m 102 steps. How many steps must he take to walk 150 m? - Actual Distance from Map
How many km does the trip's route actually measure, which measures 28 cm on a map with a scale of 1:75,000? - Granite Block Comparison Calculate the surface area and volume of a large granite paving block with an edge length of 10 cm and a small cube with an edge length of 5 cm. Compare the results.
- Cinema Tickets Price Difference
Three cinema tickets are 24 € cheaper than seven tickets. How many cinema tickets can we buy if we have € 32? - Tiles Area Circular Arches
Calculate the volume of the area covered with three rows of 7 tiles. One tile is 30 cm wide and 45 cm high and ends with circular arches at two ends. Enter the result in m². - Toy cubes
From children's wooden cubes in the shape of a prism with a square base (the side of the base is 4 cm long, the height of the prism is 8 cm) a fortress is built with towers made of two cubes on top of each other ending in pyramids with the same base as th - Flour
Kim needs 3/4 cup of flour to make 12 cookies. How much flour would she need to make 60 cookies? - Bus Meeting Time
Bus A will travel its route in 15 minutes, and bus B will travel its way in 25 minutes. They left together for the first time at 5 a.m. When will they meet again at the site?
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