Maths practice for 11-year-olds. - page 210 of 220
Number of problems found: 4398
- Garden
Father dug up the garden in 19 few hours. Son in 23 hours. How many hours does it take to dig up the garden together? - Rotatable tower
The rotatable tower situated in the city center has the ground shape of a regular polygon. If the tower is rotated by 18° around its centerpiece, it looks from the side same. Your task is to calculate at least how many vertices can have a ground plan view - Christmas
Exactly after 114 hours, we sit down at the Christmas Eve table. What day and what time was it when Dad said this sentence? They sit at the Christmas Eve table exactly at the 18-o'clock (6 PM). - Rounding
The following numbers round to the thousandth: - Decomposition
Make decomposition using prime numbers of number 206. The result is written as prime factors (all, even multiple) - Segments
We divide line segments 59 cm and 5.3 dm long into equal parts, the lengths of which are expressed as integers in centimeters. How many ways can we divide? - Evaluate
The division of numbers 6 and 3 increases as a by-product of the numbers 115 and 0.1. - Liters in cylinder
Determine the height at which level 18 liters of water in a cylindrical container having a bottom diameter 24 cm. - Balls
The boys changed stamps, beads, and balls. For 70 balls are 3 stamps, and 5 balls are 75 stamps. How many beads are for one ball? - Book
John read the book so that it read 27 pages per day. Maxim read 33 pages a day and read it two days earlier than John. How many pages is the book? - Group
A group of kids wanted to ride when the children were divided into groups of 3 children, one remained. When divided into groups of 4 children, one remains. When divided into groups of 6 children, one remains. After being divided into groups of 5 children, - Roots
Calculate the square root of these numbers: - Remainders
It is given a set of numbers { 200; 261; 331; 345; 487; 554 }. Divide these numbers by number 80 and determine a set of remainders. As a result, write the sum of these remainders. - Tetrapack
How high should the milk box be in the shape of a prism with base dimensions 8 cm and 7.2 cm if its volume is 1 liter? - Car amortization
Assume that the car has a life 11 years and a new cost 19000 euros. Calculate how much a month is amortized cost of the car over its lifetime. Amortization is the gradual reduction of assets (cars, buildings), mainly due to use or aging. - Wood
Wood cube with edge 9 cm weights 0.593 kg. What weight have 10, 100, and 1000 these cubes? - Triangle
By calculation, determine if it is possible to construct a triangle with sides 10 21 19. - Working time - shortening
The media often speculates about the change (especially to shorten) the working time of the five-day, eight-hour working week to another working model. Calculate how many hours the employee would have to work a day at 3-day work week if he must work the s - 6-gon
The perimeter of a regular hexagon is 154. Calculate its circumradius (radius of a circumscribed circle). - Well
A rope with a bucket is fixed on the shaft with the wheel. The shaft has a diameter of 45 cm. How many meters will drop bucket when the wheels turn 7 times?
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