Maths practice for 11-year-olds. - page 112 of 226
Number of problems found: 4508
- Map distance calculation
Calculate the actual distance on a map of 2 cities, which is indicated on the map by a line 6 cm long. - Circle circumference calculation
Calculates the circumference of a circle if its area is S = 2119.5 cm². - Barrel bucket filling
The barrel-shaped barrel has a base diameter of 6 dm and a height of 1.2 m. How many 5-liter buckets will we fill to 3/4 height? - Cylinder height surface
The volume of the cylinder is 193 cm³, and the radius of its base is 6.4 cm. Calculate the height and surface of the cylinder to 1 decimal place. - Fraction sum puzzle
The sum of its quarter and its five-twelfths is (-1/3) - Cylindrical container
The cylindrical container has a height of v = 85 cm. The diameter of the container is 8 cm. How many liters of water will fit in this container when it is half full? - Crosswise
The gift box should be tied "crosswise." How many ribbons will be needed in total if the box dimensions are 40 cm, 30 cm, 10 cm, and 50 cm of ribbon required for the bow? - The orchard
Four temporary workers harvested the orchard in 9 days. How many temporary workers do we need for six days? - The playground
The playground is a square with a side of 64 m. It is fenced on three sides. What is the playground area, and how long is the fence? - Cube surface calculation
Find the surface of the cube with an edge of 7.2 cm. - Pitcher volume comparison
One pitcher is filled to 22/25 of its volume. The other pitcher is filled to 1/9 of its volume. Which pitcher is filled more? - Building construction time
Two workers will build the building in 10 hours. How many hours would they have built the building if three more workers had helped them? - Block volume area
A cuboid has a rectangular base 2.6 m long and 2.2 m wide. The height of the cuboid is 1/8 of the base's perimeter. Calculate the volume and surface area of the cuboid. - Lake path calculation
Lake Trasimeno is approximately in the shape of a circle, its area is about 28 square kilometers, and Mr. Hector's walking speed is approximately 4 km/h. Calculate the length of the path around the lake and how many hours Mr. Hector would have to walk to - A swimming pool
A swimming pool holds 30000 lt of water. How many gallons does it hold? 1 gallon= 4.55 lt - Wooden board weight
What is the weight of a wooden board 1.8 m long, 70 cm wide, and 5 cm high? The density of wood is p = 450 kg/cubic meter. - Land acreage calculation
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. - Pool tarpaulin cost
The circular pool with a diameter of 3.5 m is covered with a circular tarpaulin made of rubberized fabric for CZK 110 per square meter. Determine how much the tarpaulin cost if you know that its radius is 25 cm larger than the radius of the pool. - Minute hand distance
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.) - Temperature conversion calculation
When converting degrees Celsius (C) to degrees Fahrenheit (F), the relationship is used: F = C . 9/5 + 32. How many degrees Celsius are they in New York City if the thermometer reads 23 degrees Fahrenheit?
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