Maths practice for 11-year-olds. - page 141 of 226
Number of problems found: 4508
- Double 5
Peter was thinking of a number. Peter doubles it and gets an answer of 8.6. What was the original number? - Fabric Suits Length
How many suits do we sew from 40m fabric if 3 3/4 m of cloth is used per suit? - Gasoline Consumption Fraction
There were 32 4/5 l of petrol in the car's tank. The driver consumed 3/4 of this amount while driving. Thus, he consumed 32 4/5 liters of gasoline. - The total cost
Find the total cost of 10 computers at $ 2100 each and seven boxes of diskettes at $12 each. - Temperature 5
The temperature outside starts at 0 Fahrenheit. Over time, the temperature changes at a rate of -0.6 Fahrenheit per hour. How long will it take for the temperature to reach -4.5 Fahrenheit? - Children's pool
The children's pool at the swimming pool is 10m long, 5m wide, and 50cm deep. Calculate: (a) how many m² of tiles are needed to line the perimeter walls of the pool? (b) how many hectoliters of water will fit into the pool? - Cage
How many m² of mesh does a farmer use for fencing a cuboid cage with 25m, 18m, and 2.5m dimensions? - Train Route Times Comparison
The train will run from Kockov to Drakov in 2 hours and 40 minutes, from Oslice to Kocourkov in 180 minutes, and from Kocourkov to Mokrov in 2 hours and 30 minutes. Which route will the train travel in the shortest and which in the longest time? - Tractor belt speed
The crawler tractor travels at a speed of 5 m/s. How fast are the top and bottom of the tractor belt relative to the road surface? - Table leg painting
The carpenter needs to make 4 wooden legs for the table, which have the shape of a regular 4-sided prism with dimensions of 9 cm × 9 cm × 60 cm. He will paint them all over with white paint. How many m² of surface must be painted? - Cube Edge Length Surface
When the surface of a cube is S = 150 cm², what is the length of its edge a =? - Lengths of the pool Miguel swam six lengths of the pool. Mat swam three times as far as Miguel. Lionel swam 1/3 as far as Miguel. How many lengths did Mat swim?
- Outside temperature The temperature outside was 57 degrees Fahrenheit. During the next few hours, it decreased by 18 degrees and then increased by 23 degrees. Find a new temperature.
- Fractions 3
Calculate 1/9 of 27: - Balls Bet Win
Josef had three balls less than Jan. They bet ten balls, and Josef won. Who has more balls now? - Tourist Diary
Karel kept a tourist diary at summer camp. After camp ended, he found from his diary that on day 1 he walked a route of 7 km. On day 3 he walked twice as far as on day 1. On days 5 and 6 he walked the same distance, which together totalled 26 km. On the r - Circumference - trapezoid
Calculate the circumference of the trapezoid if the lengths of the sides are as follows: a = 26 cm, b = square root of 50, c = 9 cm, d = 13 cm. - Z7-1-3 MO 2018
Grandfather prepared a pile of hazelnuts for his six grandchildren with the instruction that they should divide them somehow. First came Adam, who took half for himself, took one more nut, and left. The same was done by the second Bob, the third Cyril, th - Edges or sides Calculate the cube volume if the sum of the lengths of all sides is 276 cm.
- Classmates Roman is ranked 12th highest and eleventh lowest pupil. How many classmates does Roman have?
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