# Problems for 6th grade (the sixth graders) - page 41

1. Lcd3
What is LCD of the equation of ? ? And what is x?
2. Product of the sum and difference
Calculate the product of the sum and difference of numbers -7 and -2.
3. Clubhouse
There were only chairs and table in the clubhouse. Each chair had four legs, and the table was triple. Scouts came to the clubhouse. Everyone sat on their chair, two chairs were left unoccupied, and the number of legs in the room was 101. How many chairs w
4. Two cuboids
Find the volume of cuboidal box whose one edge is: a) 1.4m and b) 2.1dm
5. Pie
Vili ate three pieces of pie . If it piece is 1/8 how much pie did he eat?
6. Milk bill
Mrs Tara buys 2 liters of milk daily. If 1 liter of milk cost \$0.27. What will be her milk bill for 30 days.
7. Bathroom 2
A bathroom is 2.4 meters long and 1.8 meters wide. How many square tiles 1 dm on each side are to be used to cover it?
8. Soda
A pack of 12 sodas cost 5.04. What is the unit rate in dollars per soda?
9. Rainfall
How many liters of water did fell in a 32m long and 8m wide garden, if 8mm of rain fell?
10. Pie II
Vili ate three pieces of pie. If it pieces is 1/8 how much pie did he eat?
11. Suzan
Susan's age will be after 12 years four times as much as twelve years ago. How old is Susan now?
12. Simplify
Simplify the following problem and express as a decimal: 5.68-[5-(2.69+5.65-3.89) /0.5]
13. Cubes into cuboid
How many 12 centimeter cubes fit into the block (cuboid) with 6dm, 8,4dm and 4,8?
14. Hours
The lesson lasts 45 minutes. For the week, students have 18 lesson hours. How many are the actual hours?
15. Trapezoid ABCD
ABDC is a trapezoid in which AB and CD are parallel sides measuring 6 and 9 respectively. Angles ABC and BCD are both right angles. Find the length of segment BD.
16. Bicycle gears
The toothed wheel on the bicycle pedal has 40 teeth, the wheel on the rear wheel has only 16 teeth. How many times does the rear wheel turn if the pedals rotate 50 times?
17. Warmer weather
This morning it was -6 °C. What temperature did the thermometer show yesterday if it was three times warmer?
18. House numbering
The residential house has three entrances numbered even numbers, successive immediately behind. The sum of the two numbers on the outside entrances is 68. Calculate the middle of these three numbers.
Several pieces of bread were in the store. Half of them plus a half of bread bought a cookbook. Of the remaining bread, half of it plus half of the bread was bought by Mr. Novák. The last bread was bought by Ms. Small. How many breads were in the store at.
20. Water block
A block with a 50 cm2 base is filled with water 5 cm under the edge. How many can sugar cubes with 2 cm edge be thrown into a container that overflow water?

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