Maths practice for 11-year-olds. - page 47 of 227
Number of problems found: 4539
- Kilometers 65444
The cyclist will ride 42.5 km in 2.5 hours. How many kilometers will he cover in 4 hours and 15 minutes? - Characteristics 65294
Kuba wrote down a four-digit number, two evens, and two odds. If he crossed out both even digits in that number, he would get a number four times smaller than if he crossed out both odd digits in the same number. What is the most significant number with t - Proportion 65244
Divide number 74 by 9, and find the proportion and the remainder. How much do we have to reduce the number 74 to halve the proportion and increase the remainder three times? - Arithmetic 65234
Katka is six years old. The arithmetic mean of the ages of Anna and Paul is 12 years. What is the arithmetic average age of Katka, Anna, and Paul? - Expressions 65194 Calculate the product of numeric expressions A and B if: A = 10 - (9 -8) - (6 -7) B = 4-10² + 5.10 + 9
- Dimensions: 65144
Calculate the volume of the block in dm³ S dimensions: a = 22cm b = 80dm c = 0.63m - 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 block
The surface of the quadrangular block is 3.4 dm². The edges of the block are 8 cm and 10 cm long. Calculate the volume of the block.
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