Maths practice for 11-year-olds. - page 82 of 226
Number of problems found: 4511
- Comenius lifespan years
The "Teacher of Nations" J. A. Comenius, was born in MDXCII and died in MDCLXX. How many years did he live? How many years have passed since his death? - Carpet floor area
The carpet covers 8 m² of flooring, which is one-third of the entire floor area. How big is the whole floor? - Plasticine cube weight
How many grams of plasticine do we need to model a cube with an edge of 150 mm if 1 cm³ weighs 2.1 g? - The dice
Find the probability that a number divisible by two or three will fall when the dice are rolled. - Pot volume comparison
Calculate the volume of the two pots and compare them. The first pot is 40 cm high, and the diameter of its bottom is 24 cm. The second pot is 24 cm tall, and the diameter of its base is 40 cm. - A large 2
A large popcorn bag holds four times as much as a small popcorn bag at the end of the party, with 3 1/3 small bags and 2 1/4 large bags left. How many small bags with the leftover popcorn fill? - Living room
Marina's new living room is a rectangle with a length of 8 meters and a width of 5 meters. She wants to buy a carpet to cover half of the living room, and each square meter of the carpet costs $4. How much will the total cost for Marina be? - Circle area
Calculate the area of a circle that has a circumference of 314 cm. - Road roller
The road roller has a diameter of 1.4 m and a length of 160 cm (a) how many square meters the road rolls when it turns 95 times b) how many times does it turn when rolling a 3 km-long section - Jonah
Jonah has an 8-pound bag of potting soil. He divides it evenly among five flowerpots. How much soil is in each pot? Show your answer as a fraction or mixed number. Solve this problem any way you choose. - Barrel height
Barell has a cylinder shape, a volume of 130 l, and a base radius of 30 cm. What is the height of the barrel? - Third interior angle
Find the third interior angle of the triangle ABC where: α = 48°, γ = 65°. - A rope
Paul can cut a rope into equal lengths with no rope left over. The lengths can be 15 cm, 18 cm, or 25 cm. What is the shortest possible length of the rope? - The vase
The vase is a cylinder with a diameter of 1.2 dm. From the upper edge to the water level, it is 20 cm, and the water depth is 35 cm. If it were filled to the brim, how much ml of water would fit in it? - A recipe
A recipe requires 3/4 cups of milk. Paula is making 1/2 of the recipe. How many cups will Paula use? - Circle area
Calculate the area of a circle with a radius of 72.9 cm. Specify it in cm2, and enter only a numeric value in response. - Card drawing round
Each of the three players draws 3 top cards from the deck of 54 cards and returns one card to the deck below. The first, second, and third players alternate regularly. In which round does the first player draw the card he got rid of in the first round? - Measuring aquarium
The aquarium has the shape of a block measuring 80 cm, 30 cm, and 20 cm. The water level reaches 6 cm below the upper edge. How many liters of water are in the aquarium? (1 liter = 1 dm3) - The gift
How much wrapping paper is needed to wrap a cube-shaped gift with an edge measuring 15 cm? - Double six-six
What is the probability that a player in the games of ludo will throw a double six twice?
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