Maths practice for 11-year-olds. - page 218 of 222
Number of problems found: 4421
- Three numbers
Create from digits 1-9 three-digit numbers with their sum the smallest. What value is the sum of these numbers? (Use each digit only once) - Compare
Compare fractions (34)/(3) and (12)/(4). Which fraction of the lower? - Brick
The isosceles scale has all bricks; the second weight is 1 kg, and the 1/5 of brick is on one side. The balance is in equilibrium. What is the weight of a brick? - Sea on the Moon
Assume that the Moon has a sea with the same composition as Earth's (it has the same saltwater density). Calculate the boat's dive floating in the sea on the Moon when on Earth, it has dived 3.9 m. Consider that the Moon has 6.5-times smaller gravitationa - Book
The printer used 4201 digits to number the pages of the thick book. How many pages does this book have? - Floor
The room's floor area is 33 m2, and its width is 4 m. How many centimeters of circumference was measured on the floor on the map at the scale 1:75? - Cube corners
Peter cut the wooden cube with edge 100 cm in 2 corners of the cube with edge 5 cm. How many cubes of edge 5 cm can Peter even be cut? - Garden
The garden has two opposite parallel fences. Their distance is 39.7 m. The lengths of these two fences are 73.2 meters and 63.6 meters. Calculate the area of this garden. - Car - simple
The car is traveling at 77 km per hour. How long is the distance it can travel in 1 minute? - Stand-by power
Determine the year-round consumption of appliances in standby mode. Standby mode is a routine in the unit that is continuous for 24 hours and consumes a tiny amount of electricity. Typically are televisions, electric ovens, radios, computers, monitors, sa - Colors
Arnold got birthday 7 color pens in different colors. How many ways can he give them side by side in pencil? - Rounding
Double round number 235, first to tens, then to hundreds. (double rounding) - Plane
How many parts are divided in the plane 9 parallels? - Area
Calculate: x = 8 m² + 8 dm² + 8 cm² - Denominator
Calculate the missing denominator x: (119)/(17) = (7)/(x) - Hole
They fill the shape hole with dimensions 2.7 m, 20 m, 15.8 m with 282 m³ of soil. How much percent does it fill up? - Divisibility 2
How many divisors have integer numbers 80? - Divisibility
Determine all divisors of a number 91. - Cube
Calculate the surface cube with edge 11 dm. - Triangle P2
Can a triangle have two right angles?
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