Maths practice for 9-year-olds - page 18 of 19
Number of problems found: 361
- Workshop
The workshop has to be produced for 5 days 2000 components. How many components must be produced in the workshop daily, and how much per hour if the shift is 8 hours? - Curtains
Hanak bought 50 m curtains. The dining room needed 90 m and 90 m to the hallways of curtains. How many meters of curtains were bought in total? - Theatre
The theatrical performance started at 10:50 and ended at 13:50. How many minutes long? - Bus
At the bus stop boarded 6 people into the bus and on each other bus stop one man more than the previous one. On E station never boarded. Stops are A, B, C, D, E. Calculate the number of people on the bus after leaving station E.
- Piggy
A man bought a pig for € 65, then sold it for € 75. Then again bought it for € 90 and sold it for € 100. How much € earned? - Salary
Mr. Vesely got for work 874 CZK (Czech Republic Koruna). Mr. Jaros got twice less than Mr. Vesely. How much CZK got Mr. Jaros? - Car amortization
Assume that the car has a life 11 years and new cost 19000 euros. Calculate how much a month is amortized cost of the car over its lifetime. Amortization is the gradual reduction of assets (cars, buildings), mainly due to using or aging. - Ton's teeth
Calculate at what age homeless Anton will be toothless. At age 29 has 26 teeth, and each year next tooth breaks. - Life
Calculate how many years has man lived for 12248 days?
- Efficiency of rail
With subsidies, is business easy? Calculate how much must cost a rail ticket (x) in today's ticket price € 11 and if the government did not subsidize the trains if it is known that it would cost three times today's ticket without subsidies. Calculate the - RBA
Regional Building Authority has an annual budget of EUR 1806814. In the previous calendar year, has processed 804 approval procedures. How much does an average one-building approval cost (e.g., unsuccessful revoke)? - Textbooks
After the check of textbooks found that teachers should withdraw every 9-th textbook. Together 176 textbooks were withdrawn. How many textbooks were in stock before being withdrawn, and how many after withdrawal? - Balls
I have 12 balls, and my friend has 21. About how many have my friend more balls? - Brick weight
The brick weighs 4 kg and a half-brick. How much does one brick weigh?
- Three cats
If three cats eat three mice in three minutes, after which time 90 cats eat 90 mice? - Subtraction
How many times can you subtract the number 4 from the number 64? - Carpenter
You want to cut the longboard into smaller pieces. Carpenter said that one board cut into two pieces would cost you 40 cents. But you need to cut the board into 5 parts. How much do you pay? - Glasses
Imagine a set of students in your class (number of students: 15) who wears glasses. How many minimum and maximum elements may contain this set? - Like
There are 140 liters of water in 14 barrels. How many barrels of 8 liters do I need to get all the water from the larger barrels?
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