Ratio - practice for 11 year olds - page 3 of 11
Number of problems found: 209
- Determine 23131
Determine x in the ratio: 200:6 = x: 400 - Daughter 19573
The father is 36 years old. His daughter is four years old. Write down the ratio of father and daughter age. What will be the age of the father and daughter in 4 years? - Smaller 17093
There are two gears in the wall clock. The larger wheel has 54 teeth and the smaller 24 teeth. How many times does the small wheel turn if the big one turns four times? - Two villages
On the map with a scale of 1:40000 are drawn two villages actually 16 km away. What is their distance on the map? - Calculate 12061
The area of the two circles is in a 4:9 ratio. The larger circle has a diameter of 18 cm. Calculate the radius of the smaller circle. - Particular 11591
The particular map has a scale of 1:75000 a) The distance between the two places on the map is 42mm. What is the actual distance? b) How long would the distance show, 15.75 km on the map? - Measures 10941
The city plan has a scale of 1:1500. Find the actual length of the bridge, which measures 1.1 cm on this plan. - Plan scale
The actual width of the room is 66 dm, and the width in the plan is 4.4 cm. What scale corresponds to the plan? - The perimeter 3
The perimeter of a rectangle is 35 cm. The length ratio to its width is 3:2. Calculate the rectangle's dimensions. - Geometric plan
At what scale is the building plan if one side of the building is 45m long and 12mm long on a plan? - Circumference 8251
Calculate the scale of the cadastral map, on which the square plot has a circumference of 20 cm and, in fact, 576m. - Square 8198
In 2 hours, 100m square, what is an area in 3 hours? - Determine 8183
Determine the length of the rectangle if the width is 28cm in a ratio of 7:4 (d: s). - Barter
There is exchange trade on the market. We know that for two sheepskins, we get three goat skins. We also know that we get four goat skins for six rabbit skins. How many rabbit skins do we get for four sheepskins? - Expenditure 8083
One paid 500 CZK. Three paid in a ratio of 3:4:5. The smallest expenditure was CZK 360. How much was the total expenditure? - Meeting 8082
Jurko makes steps 60 cm long. He will take 1530 steps on the way to school. How many steps will his father take to the class meeting if he makes steps 85 cm long? - Area of rectangle
How many times will we increase the area of the rectangle if we increase twice the length and at the same time we decrease the width by half? - Tributaries 8056
The pool is filled with three identical tributaries in 12 hours. In how many hours will only two tributaries fill it? - People 8055
In 12 days, ten people will dig a 3km cable car. In how many days will five people dig it up? - Five mechanics
Five mechanics will make a car for some time. How many cars can 30 mechanics produce at the same time?
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