Square (second power, quadratic) - practice for 11 year olds - page 22 of 23
Number of problems found: 450
- Flowerbed 2
Around the square flower bed in a park is a sidewalk about 2 m wide. The area of this sidewalk is 243 m². What is the area of the flowerbed? - Square
If we increase one side of the square by its one-half, then the square perimeter increases by 10 cm. What is the side of the square? - The pot
The pot is in 1/3 filled with water. The bottom of the pot has an area of 329 cm². How many centimeters rise in water level in the pot after adding 1.2 liters of water? - Garden
The rectangular garden is 72 m long and 25 m wide. Calculate by how many m² its area will be reduced if it is surrounded by an ornamental fence 50 cm wide.
- Parallelogram - side
Calculate the length of the side of a parallelogram whose area is 161 dm² and height to that side is 23.6 dm long. - Trapezium
Find the height of the trapezium ABCD, which has an area 77.5 cm² and base lengths 16 cm and 15 cm. - Tiles
How many 37 cm square tiles will cover a floor 11.84 m by 17.39 m? - Strip
From 3 cm wide strip should be cut rhombus with area 16 cm². How long will it be on its side? - Root
The root of the equation (x-10)² +4 = x² +35x is (equal or greater or less than zero). ...
- Coins
Edmund had saved a certain number of 2-euro coins. He placed the coins in a single layer in a square. He has 6 coins left. When he wanted to build a square that would have one more row, he was missing 35 coins. How many euros does he have? - Diophantus
We know little about this Greek mathematician from Alexandria, except that he lived around the 3rd century A. D. Thanks to an admirer of his, who described his life through an algebraic riddle, we know at least something about his life. Diophantus's youth - Two squares
Two squares with sides in the ratio 5:2 have a sum of their perimeters 73 cm. Calculate the sum of the area of these two squares. - Rectangular cuboid
The rectangular cuboid has a surface area 5447 cm², and its dimensions are in the ratio 2:4:1. Find the volume of this rectangular cuboid. - Windows
Calculate the masonry area to build a wall with dimensions of 18 m × 5 m with 3 windows of size 51 cm × 51 cm.
- Area
Calculate: x = 7 m² + 7 dm² + 7 cm² - Cube
Calculate the surface cube with edge 11 dm. - Garden
How many steps of 76 cm circumvent square garden with area 1.8 ha? - Special cube
Calculate the cube's edge if its surface and volume are numerically equal numbers. - Circle
How big is an area of a circle if its circumference is 51.2 cm?
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Square (second power, quadratic) - math word problems. Maths practice for 11-year-olds..