Maths practice for 11-year-olds. - page 209 of 224
Number of problems found: 4464
- Tiles
The room has dimensions of 12 m and 5.6 m. Determine the number of square tiles and their largest possible size to cover the room's floor. - Expressions
Expression (3a-7).(3a+7) is identical with: ... - Clocks
How long does the track travel the second hand of a clock in 30 hours, which is 4 cm long? - Cellar
The cellar for storing fruit has a rectangular base with sides of 14 m and 7 meters. You should paint sidewall to 2 m. How many square meters of surface must be painted? - Cents
Julka has 3 cents more than Hugo. Together, they have 27 cents. How many cents has Julka and how many Hugo? - Fire tank
How deep is the fire tank with the dimensions of the bottom 7m and 12m, when filled with 420 m³ of water? - Three digits number 2
Find the number of all three-digit positive integers that can be put together from digits 1,2,3,4 and which are subject to the same time has the following conditions: on one position is one of the numbers 1,3,4, on the place of hundreds 4 or 2. - Class
The class has 18 students. Everyone knows inline skating or skateboarding. Inline skating can ride 11 students on a skateboard 10. How many ride-on inline skates and a skateboard? - Juice box
In the box is 0.3 liters of juice. How many liters of juice are 9 these boxes? - Athletes
Athletes are standing in rows of eight. Ivan estimated that there are more than 120, while Peter claimed that there are fewer than 130. Both are right. How many are athletes? - Parachutists
During freefall, parachutists were first held in groups of 4, then 6, then 9, 12, and finally 18 members. If each group must all be involved, how many parachutists must jump at least? - Log
The worker cut his thick log into six pieces for 30 min. How long did he cut the log to 12 pieces? - One-third
A one-third of an unknown number is equal to five times as great as the difference between the same unknown number and the number 28. Find the unknown number. - Timeage
Seven times my age is 8, less than the largest two-digit number. How old am I? - Jumps
At least how many jumps must a frog do to overcome the distance of 7 meters? The jump of a frog is 18 cm long. - Speeds
George passes on the way to school, a distance of 200 meters in 165 seconds. What is the average walking speed in m/s and km/h? - 7 roses
Peter bought seven roses. When he paid for them, he had 4 euros left. If he had bought five roses, he would have had 40 euros left. Thus, Peter had 40 euros before the purchase. - Reduced 1631
Three times the number reduced by 10 is as much as 100, as 100 is more than twice that. What is the number? - Unknown number 5
I think of an unknown number. If we enlarge it five times, then subtract 3, and the result decreases by 75%, we get one greater than the number. What number am I thinking? - Store
Peter paid 3 euros in-store, more than half the amount on arrival at the store. When he left the shop, he had 10 euros in his wallet. How many euros does he have upon arrival at the store?
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