Maths practice for 11-year-olds. - page 27 of 220

Number of problems found: 4398

Multiply x times
Susan divided the number 52 by the number 2 eight times and multiplied it by the number 2 six times. What number did she get?
Diameter 82242
Around the circular pool with a diameter of 5.5 m is a circular wooden terrace with a width of 130 cm. What is the area size of this terrace?
Remaining 82238
I'm thinking four digits. The thousands digit is three times larger than the hundreds digit, which is two times larger than the tens digit. The remaining digits are zeros.
Cubes in a box
How many cubes with an edge of 0.2 dm fit into a box that is also shaped like a cube with an edge of 10 cm?
Students 82194
Out of 30 students in the class, 2 thirds of the children were on a trip, and all the others were at home. How many students stayed at home?
Vegetables 82193
Mrs. Hana has 24 beds in her garden. She planted 3-eighths of them with flowers and the rest with vegetables. What part of the flower bed did she designate for growing vegetables? How much is a flower bed?
Third unknown number
The number A is 5 more than the number C and 10 less than the number B. The sum of A+B=100. What is the C number?
45-minute 82169
I have 38 lessons that last 70 minutes. How many teaching hours are there in terms of 45-minute lessons?
Recommended size
The recommended room size is 90 cubic meters. How many square meters is it? (room height is 2.5 m)
Square-shaped 82159
The square-shaped garden has a hedge on three sides. Its length is 36 meters. What is the area of the garden in m²?
Snowman's 82155
Under the column, the children built a 1.65m tall snowman. The snowman's shadow is 135 cm long. The shadow of the column has a length of 4.05 m. How tall is the pole?
Equilateral 82136
A three-sided prism with a base in the shape of an equilateral triangle has a volume of 370 dm³. What is the volume of its base if it is 50 cm high?
Whipped 82128
700 ml of whipped cream costs €4.99. We bought 6 of them for €29.94. How much does 1 liter of whipped cream cost?
Calculate 82077
The surface of the cube is 150 dm². Calculate its volume.
Rectangular base - II
Calculate the volume of a pyramid with a rectangular base with sides a = 7 cm, b = 5 cm, and height of the pyramid v = 13 cm.
Quadrilateral 82052
Calculate the volume of a regular quadrilateral pyramid with a square base of side a=8 cm and a height of the pyramid of 11 cm.
Multiplying 82021
If I add 5 to this number, I get the same result as multiplying it by 5. What is that number?
Experimental 82019
3.6 tons of sugarcane were harvested on the experimental plot of 0.2 ha. How many tons of sugarcane can be harvested on a plot of land of 18.6 hectares with the same yield per hectare?
Determine 82012
There is a 30 cm layer of sand in the landing area. Determine the width of the landing pad if its length is 5 m and the volume of sand in it is 2.7 m³.
Foundations dimensions
The house has foundations of 12x8m. How many cubic meters of gravel do we need if we want to fill it to a depth of 10 cm?

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