Maths practice for 11-year-olds. - page 169 of 222

Number of problems found: 4421

Digit sum
Which largest six-digit number has a digit sum of 27?
Strawberry jam
Friends Marika and Kate decided to prepare strawberry jam together. According to the recipe, they needed 50 g of sugar for 0.5 kg of fruit. How many kilograms of sugar must the friends prepare if they make jam from 2.3 kg of strawberries?
Studio flooring
The television studio plan is made on a scale of 1:150. It shows a rectangular studio measuring 5 cm and 6 cm. If we pay 356 crowns for 1 m² of floating floor, how many crowns will we pay to cover the studio with a floating floor?
Odd digit difference
What is the difference between the largest and smallest numbers, composed of only odd digits and none of the digits repeated in the numbers?
Apples
One kilogram of apples costs 25 CZK. Calculate how much you will pay for 700 g.
Ice cream servings
They sold 4/7 strawberry ice cream and 36 servings of vanilla ice cream in the store. How many servings of ice cream did they sell that day?
Have solution
The sum of four consecutive even numbers is 92. Determine these numbers.
Prime product
My number for today: the product of the square of the smallest prime number with the smallest two-digit prime number
Metal rod
The metal rod measures 1.2 meters. How many decimetres is a quarter of a metal bar smaller than five-sixths of a metal bar?
Cubes
Carol with cut bar 12 cm x 12 cm x 135 cm to the cubes. Find the sum of all the surfaces of the resulting cubes.
Concrete pedestal
The carpenters made wooden mold on a concrete pedestal in the shape of a cube with an edge 2 meters long. What is the area in which the concrete touches wooden molds? (No lid or bottom)
Number puzzle
Increase the number by half and reduce the result by half. No.9 will be released. What number did I have at the beginning?
Calculate
Calculate the area of the ABE triangle AB = 38 mm and height E = 42 mm Ps: please try a quick calculation
Map scale
What is the map's scale if 5.4 km is 72 mm on the map?
Wallpaper needed
Calculate how many m² of wallpaper is needed to wallpaper a room with dimensions a = 3 m, b = 4 m, c = 3.5 m
Tricycles and scooters
Honza's kit included 19 wheels. He used them all to construct tricycles and scooters. How many complete scooters and tricycles did he build? He will find all the solutions.
Dalmatian spots
Kamil bought 101 Dalmatians. Of these, 58 had a spot on the left ear, 15 had a black spot on the right ear, and 29 had both ears white. How many Dalmatians have black spots on both ears?
Gasoline
How many liters of gas is in the tank if its weight is 15.4 kg? The specific density of gasoline is 770 kg/m³.
MO Z6-6-1
Write integers greater than 1 to the blanks in the following figure so that each darker box is a product of the numbers in the neighboring lighter boxes. What number is in the middlebox?
3 children
Three children had to divide 4 pounds is candy. How much candy did each child get?

Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.