Maths practice for 11-year-olds. - page 48 of 230
Number of problems found: 4588
- Circumference - circles
Circle K has a radius of 130 mm, and circle L has a diameter of 50 mm. By how many millimeters is the circumference of circle K greater than the circumference of circle L? Round the result to a whole number. Use the value π= 3.14 in the calculations. - Expression 65104
There were x boys on the school trip. There were 6 fewer girls than boys. Everyone took the two-seater cable car from the lower to the upper station. Decide which expression expresses the number of double seats students occupy if two students occupy each. - Multiply three ints
The product of the three numbers is 224. The first is 10, and the second is 50 times smaller than the first. Calculate the third number. - Circumference 64994
Calculate the volume of the cylinder if the circumference of the base o = 31.4 cm, height v = 6.4 cm - Calculate: 64984
The ABCDEFGH cube (sketch it) has a debt edge of 5 cm. Calculate: a) ABFE wall area b) Area of the ADHE wall c) the surface of the cube d) Cube volume - Dimensions 64944
The swimming pool's interior, with dimensions of 50m, 15m, and 3m, should be lined with tiles. How many square meters of tiles are used for this? - Approximately 64934
How many kg of paint will we use to paint the walls and ceiling of a room with a length of 9m, a width of 6m, and a height of 3.2m if 1kg of paint is enough for approximately 6m square? Subtract 6 square meters from the surface of the walls, which are the
- Difference 64924
We get a block if we stack two cubes with an edge of 1dm. What is the difference between the surfaces of this block and the cube? - Nearest 64894
We can write the number 1003 in the form 7n + 2. Which can we write the nearest number in this form? - Evaluate expression 6
Workout: 5×4-12/2+5 The order of operations is the order you use to work out math expressions: parentheses, exponents, multiplication, division, addition, and subtraction. - Evaulate Evaluate the following expression with natural numbers: 1÷(52×(2×(135−25)−1))
- Two-sevenths 64794
Adam is saving for new skis. In August, he saved two-sevenths of the total price, in September one-eighth of the total price, and in October two-thirds of the missing amount. Express as a fraction how much he still has left to save from the price of the s - Calculate 64644
The aquarium is 5 dm long and 4 dm wide and contains 60 liters of water. A) calculate the height of the aquarium if the water reaches 5 cm below the edge B) calculate the total volume of the aquarium - Quadrangular 64564
The surface of the quadrangular block is 3.4 dm². The edges of the figure are 8cm and 10cm long. Calculate the volume of the prism. - Rectangular 64554
We must draw a square grid on a rectangular plate measuring 154 cm and 210 cm. What should be the side length of the largest possible box? How many fields will be on the board?
- Unary operators Calculate: --- (- 5) + (- (- 3)).
- Rectangular 64274
We needed 82 m of wire mesh to fence the rectangular garden. The width of the garden is 16m. What is its area? - Decrease 64204 Decrease the number 104 by 3/8 of the given number.
- Rectangle 64194
The rectangle has an area of 126 cm². The size of one side of the rectangle is 12 cm. Calculate the perimeter of the rectangle in cm. - Calculate 64154
By rounding the number X = 47,546 to thousands, we get the number of hundreds and the number Y. Calculate X-Y.
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