Maths practice for 11-year-olds. - page 187 of 190
Number of problems found: 3797
- 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 brick; the second weight is 1 kg and 1/4 of brick 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 density of saltwater). Calculate the boat's dive floating in the sea on the Moon when on Earth has dive 3.9 m. Consider that the Moon has 6.5-times smaller gravitational
- Book
To number pages of the thick book, the printer used 4201 digits. How many pages has this book? - Cube corners
Peter cut the wooden cube with edge 64 cm in 3 corners of the cube with edge 4 cm. How many cubes of edge 4 cm can Peter even be cut? - Garden
The garden has two opposite parallel fences. Their distance is 33.1 m. Lengths in these two fences are 75.5 meters and 49.4 meters. Calculate the area of this garden. - Bureau of Labor
Bureau of Labor is a state institution that provides mike and the rest for their so-called clients. The mission of the Bureau of Labor is to spend taxpayer money to provide relaxation and benefits to those who do not want to work. Popularly speaking, the - Car
Car is traveling 98 km per hour. How long distance does it travel in 1 minute?
- Stand-by power
Determine the year-round consumption of appliances in standby mode. Standby mode is a regime in the unit continuously for 24 hours and consumes a tiny amount of electricity. Typically are televisions, electric ovens, radios, computers, monitors, satellite - Colors
Willie got birthday 6 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
On how many parts divide plane 9 parallels?
- Line
How many parts of the line divide 5 (different) points that lie on it? - Valid number
Round the 453874528 on 2 significant numbers. - Area
Calculate: x = 7 m² + 7 dm² + 7 cm² - Denominator
Calculate the missing denominator x: (264)/(96) = (11)/(x) - Hole
They fill the shape hole with dimensions 2.9 m, 17 m, 15.2 m with 97 m³ of soil. How much percent does it fill up?
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