Maths practice for 12-year-olds - page 234 of 352
Number of problems found: 7022
- Public transport
Determine how many minutes it took each public transport vehicle to travel along its route. The bus set off on its route at 9:47. , it reached its destination at 10:35. The trolleybus set off on its route at 9:38. , it reached its destination at 10:20. Th - Reducing scale
I am sizing some landscaping, and I measured everything on a 20 to 1 scale. I realized when I was done that it was at 30 to 1. How can I convert what I already have to 30 to 1. For example, if the grass area is 22,871.6' at 20 to 1, how do you figure it o - Fractions: 6543
Solve the equation with fractions: x / 3-x / 8 = x / 12 + x / 8 - Quadrilateral 6542
Calculate the surface of a quadrilateral prism two dm high, the base of which is a square with a side of 15cm. - Square 6530
The square has a side x cm long. How often does it "turn" when we roll it along a line d cm long? - One-third 6529
The worm Oliver Zoubek decided to bite through the oak log. In the first year, he made a hole in one-third. The second year, he chewed through one-third of the rest. In the third year, again, a third of the rest, and in the fourth year, he had 16 cm left. - A man
A man spends 5/9 of his money on rent and 5/16 of the remainder on electricity. If the final balance remaining is 550, find how much was spent on rent. - Bottles 6527
Five boxes of fish and three bottles of drink cost 276 CZK, three boxes of fish and two bottles of drink cost 176 CZK, and two boxes of fish and one drink bottle cost 176 CZK. Thus, we pay 276 CZK for two boxes of fish and one drink bottle. - Pedestrian 6526
At 9 o'clock, the pedestrian climbed at an average speed of 5 km/h, and 3 hours later, a cyclist followed him at 12 km/h. Determine what time they will meet. - Remaining
Aladár promised his mother that he would wash the plates. In order not to get too tired, he divided the work into four stages. First, he washed one quarter of all the plates. After a short rest, he washed one sixth of all the plates. After a long rest, he - Base of house
Calculate the volume of the bases of a square house. If the base depth is 1.2 m, the width is 40 cm, and the outer circumference is 40.7 m. - Semi-sweet 6515
A bottle of red semi-sweet wine with a volume of 0.75L has a sugar content of 18-45g/dm³. How much is it in terms of sugar cubes? - Clothes
Danka and Janka collect clothes. Danka had nine more than Janka, so she gave her 7. Which now has more cloth and how many? - Daughter 6511
Turtle Dorota is 158 years old, and her daughter Dorotka is 71 years old. How many years ago was Dorota 30 times older than her daughter? - Inscribed
The cube is inscribed in the cube. Determine its volume if the edge of the cube is 10 cm long. - Metal rails
Dad needs to improve the edges of the wooden boxes, which are to be reinforced with metal rails. How many cm of rails will he need if the box has the shape of a prism and the length of the edges is 70cm, 70cm, and 120cm? - Scale of plan
On the village plan on the scale of 1:1000, a rectangular garden is drawn. Its dimensions on the plan are 25mm and 28mm. Determine the area of the garden in ares. - Reading every day
Alena calculated that reading ten pages of the book every day would take her 18 days. However, a week later, she decided to read 11 pages every day. How many days did it take her to read the book? - Circular pool
The 3.6-meter pool has a depth of 90 cm. How many liters of water are in the pool? - Erica
Erica bought 3 1/2 yards of fabric. How much will she have left if she uses 2/3 of the fabric?
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