Examples for 6th grade (the sixth graders) - page 8
The sum of lengths of cube edges is 69 cm. What is its surface and volume?
- Minute angle
Determine size of angle, which takes minute hand for 75 minutes.
Sort fractions ? by its size. Result write as three serial numbers 1,2,3.
Five bus lines runs at intervals 3, 6, 9, 12, 15 minutes. In the morning, suddenly start at 4:00. After how many minutes the bus lines meet again?
- Working time - shortening
The media often speculates about the change (especially to shorten) the working time of the five-day eight-hour working week to another working model. Calculate how many hours a day the employee would have to work a day at 3-day work week if he must work t
Calculate the missing denominator x: ?
- Pedestrian and cyclist
Pedestrian out with a speed of 4 km/hour from city center and after 1hour and 10 minutes came after him cyclist at speed of 18 km/h. At how many minutes he catches up with pedestrian?
- Pizza master
Master says that he can splits pizza to 16 parts by five equals straight cuts. Is it possible?
Hiker went half of trip the first day, the third of trip the second day and remaines 15 km. How long trip he planned?
How many steps of 76 cm circumvent square garden with area 1.8 ha?
Hall has dimensions 325 &time; 170 dm. What is the largest size of square tiles that can be entire hall tiled and how many we need them?
The teacher paid for 280 Kč for 4.A students for admission to the exhibition. How many students were on the exhibition?
- Bus driver
The bus driver rides 174 km in the morning, afternoon rides 26 km more. How many kilometers traveled in 5 days if he rides on the same line?
- Do you solve this?
Determine area S of rectangle and length of its sides if its perimeter is 102 cm.
- Rectangle A2dim
Calculate the side of the rectangle, if you know that its area is of 2590 m2 and one side is 74 m.
- Thrift woman
Calculate how long grandmother will save to new shoes priced 108 euros if save 3 Eur monthly.
Car travels 1/3 of the trip on the first day, second day 2/5 of the trip and left even 340 km for next days. How long is the trip?
- Opposite numbers
Calculate opposite numbers (additive inverse) to given ones:
Students of canoeists trip traveled in three days 102 km. Second day traveled 15% more than first day and at the third day 9 km over the second day. How many kilometers traveled each day?
- Weight of air
What is the weight of air in the living room measuring width 5 m length 2 m and height 2.8 m? Air density is ρ = 1.2 kg/m3.