Maths practice for 11-year-olds. - page 222 of 225
Number of problems found: 4498
- 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? - 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 2
Round the following negative number: -143.021 - 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? - Triangle
Prove whether you can construct a triangle ABC if a=8 cm, b=6 cm, c=10 cm. - 3-bracket 2
Maybe the smallest angle in the triangle is greater than 70°? - 3-bracket
Maybe the largest angle in the triangle is less than 20°? - The Line segment
Can we construct a line segment if we know: end point and one point inside line
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