Maths practice for 10 year olds - page 65 of 66
Number of problems found: 1303
- 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 - Rounding
Round the number 235 twice: first to the nearest ten, then to the nearest hundred. (This is called double rounding.) - Plane
How many parts are divided in the plane 9 parallels? - Primes 2
Which prime number is number 2026 divisible? - Clock
How many hours are 10 days? - Denominator
Calculate the missing denominator x: (119)/(17) = (7)/(x) - Cube
Calculate the surface cube with edge 11 dm. - Cubic
Convert 1503 m³ of natural gas volume to energy units kWh. Combustion of 1 cubic meter of natural gas is released energy 10.55 kWh. - Compare
Compare with characters >, <, =: 85.57 ... 80.83 - Triangle
Prove whether a triangle ABC with the given properties can be constructed: a=8 cm, b=6 cm, c=10 cm. - Angle
Draw angle |∠ ABC| = 30° and construct its bisector. What is the angle between the bisector and each arm of the angle? - School
23 students in class 8.D are going on a trip. Each student pays 9 €. The teacher has collected 117 € in total. How many students have not yet paid? - Chestnuts
Michael has 2 times fewer chestnuts than Tonny. Together they have 312 chestnuts. How many chestnuts does each of them have? - Father and son
A father and son are 74 years old together. The son is 30 years younger than the father. How old is the son? - Trio
58 children lined up in groups of three. How many children did not create a trio? - Addition of Roman numbers
Add the following and write the result as a decimal number: LXXV + MCCCXV - Collective irresponsibility
On the Internet, time is very uncomfortable for the state that no more gaffes or waste is no longer possible to hush up as if people were at home with only two television channels censored. An example of the effectiveness of the state can be Bridge at Kom - Monkey
The monkey fell into 20 meters deep well. Every day it climbs 3 meters, at night it drops back by 2 m. On what day it gets out from the well? - Circles
For the circle c1(S1; r1=109 cm) and c2(S2; r2 = 152 cm) is distance of centers |S1S2| = 261 cm. Determine the distance between the circles. - Pension or fraud
Imagine working your entire career honestly, paying taxes and social insurance contributions (in Slovakia). You have a gross wage of 970 euros. You and your employer together pay 310 euros per month in social insurance contributions over 41 years, and you
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