Maths practice for 12-year-olds - page 153 of 350
Number of problems found: 6996
- Approximately 39443
On the map of Bratislava, with a scale of 1:200,000, the length of the river Danube is about 12.3 cm. Approximately how many km of Danube flows through this area? - Producing books
How many m² of paper is needed to produce a book with 200 pages when one page is 24 cm and 15 cm? - Transported 39423
A maximum of 15 people can fit into one cabin on Lomnický štít. The cable car runs every 20 minutes, and the journey takes 15 minutes. In the shortest time, can 52 ninth graders there on a trip be transported to Lomnický štít? - Michal 39413
How many steps will Michal take to reach the school 61.10 m away if each step is 13/20 m long? - Natural 39393
What is the sum of all natural numbers less than 100 that are the power of 4? - Transport 39383
The online store offers free shipping when you buy five or more products. The price of transport is 100 crowns. When you buy five products without shipping, we pay the same amount as when you buy three products with shipping included. How much does 1 piec - Excursion
Two classes with different numbers of students are going on an excursion. If one larger bus for 50 passengers is ordered, 3 seats would be missing. If each class were to travel alone in a smaller bus for 33 passengers, there would be 8 seats available in - Dimensions 39343
Determine the density of sheet glass with dimensions 2m x 2m x 1dm and a weight of 500kg. - Diamonds
If Simba had eight diamonds and cut each one into 1/3 pieces, then how many pieces would she have? - Find unknown 2
Find unknown denominator: 2/3 -5/? = 1/4 - How many
How many integers are greater than 547/3 and less than 931/4? - What is
What is the height of a cylinder whose surface size is 602.88 cm² and the area of its shell is 376.8 cm²? - Škoda cars
At 8:30 AM, car Škoda 120 started from Prievidza at 60 km/h toward Bratislava. At 9:00, we started from Prievidza in the same direction as Škoda Rapid at 90 km/h. Where and when will Škoda Rapid catch up with Skoda 120? - The caravans
At 6:00 in the morning, a caravan set out of the oasis at a speed of 1.5 miles per hour. Two hours later, a second caravan followed her at 2.5 miles per hour. When did the faster caravan run slower? How far from the oasis? - Tractor vs car
Behind the tractor, which was traveling at an average speed of 20 km/h, a car started in two hours and overtook it in 1 hour. At what speed was the car moving? - Hectoliters 39141
The children's pool has the shape of a cylinder with a bottom diameter of 6 m and a height of 60 cm. The water reaches one decimeter below the top of the pool. How many hectoliters of water is in the pool? - Students 39121
N boys go to class. There are 13 more girls. Today, 4 girls and 5 boys are missing. Thus, how many students in this class are in school today? - A bicycle
A bicycle wheel has a diameter of 63 cm. Calculate how many times the wheel turns round in traveling 19.8 km. - Calculate 39031
In the triangle ABC, the line tb = | is given BB1 | Calculate the length of this line if B1T | = 3cm. - Measuring 39011
Miška wants to buy wrapping paper for a gift for her mother. How many euros will he pay if he wants to buy paper measuring 9 quarters of a meter and 8-fifths of a meter, and one square meter of wrapping paper costs 40 cents?
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