Maths practice for 11-year-olds. - page 83 of 230
Number of problems found: 4584
- Smallest 44681
What is the smallest width of the pool to be divided without rest into equally wide tracks, either 80cm or 1m, or 120cm?
- Difference 44661
I think the number. When I multiply it by four, subtract 12 from the product, then divide the difference by five, and I get the imaginary number again to the share of 4. What number do I think?
- Grandmother
Stella's family traveled 5/8 of the distance to her grandmother's house on Saturday. They traveled 2/3 of the remaining distance on Sunday. What fraction of the total distance to her grandmother's house was traveled on Sunday?
- Ring The Bell
Lucy and David challenged each other at the "Ring The Bell" game. David scored 120 points, although Lucy and David scored 235 points. How many points did Lucy score? Draw a diagram and equation to represent this situation. Use 'L' as the missing var.
- Fraction of a Number
Suppose 1/2 of 1/3 of 1/4 of 1/5 of a number is 2.5. What is the number?
- Create 44531
We make a box in the shape of a cube with an edge of 12 cm. How many cm² of sheet metal do we need to create a box if we do not make the lid?
- The rectangle
The rectangle has one side 8 cm smaller than the type. If you reduce the length by 6 cm and increase the width by 2 cm, you will get a square whose area is 400 cm². What are the original dimensions of the rectangle?
- Three-quarters 44381
During the reconstruction of the apartment, the bricklayer built three-fifths of the wall in three-quarters of an hour. How much time does it take to build two walls?
- Painting classrooms
Martha solicited 3 2/3 liters of paint for the brigade. Their city mayor gave their school another 2 2/5 liters of paint. How many classrooms can be painted if each classroom needs 1 3/7 liters?
- A piece 2
A piece of material measures 38.25 inches. Courtney cuts the piece of material into two pieces. One piece measures 19.5 inches. Could he use an addition equation to find the length m of the other piece of material?
- Perimeter 44281
We used 30 m² of floor covering for the floor in the 12 m long corridor. How many m of perimeter rail do we need if we put it on all sides?
- Returning 44201
Four gears with 21, 49, 35, and 14 teeth mesh together. If one of them rotates, the other also rotates. How many times does each rotate before returning to their position at the start?
- We bought
We bought 140 fruit, 196 chocolate, and 84 caramel lollipops. How many of the same packages can we prepare from them?
- Liters 44031
What is the width of a block with volume V = 600 liters if a = 120cm, b = 50cm?
- Leftovers 43921
There is less than 50 m of fabric in the package. If we cut only for blouses or only for dresses, we will not have any leftovers. 1.5 m of fabric is used for one blouse and 3.2 m for one dress. Determine the amount of fabric in the package.
- Perimeter of the park
Find the park's perimeter in meters in a diamond shape if the length of its side is 2 km.
- At noon 2
At noon, the temperature was 4 degrees Fahrenheit. At 6 pm, it was 10 degrees colder. What was the temperature at 6 pm?
- Calculate 43801
Calculate how much one-third of the number 2.7 is greater than 1/2. Express the result as a decimal number.
- The kitchen
The kitchen has the shape of a square with a side of 5 m. We place linoleum on the floor, the price of which is 450 CZK per 1 m². The glue costs 750 CZK. How much do we pay in total?
- Gallons and quarts
5 gallons 2 quarts − 1 gallon 3 quarts = (Hint: 4 quarts equals 1 gallon. )
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