Maths practice for 11-year-olds. - page 142 of 230
Number of problems found: 4587
- The quotient
The quotient of g and 55 is the same as 279. What is g? - Two thirds
Find two-thirds of the number equal to two-thirds of 99. Find this number. - Double 5
Peter was thinking of a number. Peter doubles it and gets an answer of 8.6. What was the original number? - Fabric 7021
How many suits do we sew from 40m fabric if 3 3/4 m of cloth is used per suit? - Gasoline 7020
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? - Kocourkov 7007
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? - Relative 6999
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? - Surface 6995
When the surface of a cube is S = 150cm², 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:
- Josef 6988
Josef had three balls less than Jan. They bet ten balls, and Josef won. Who has more balls now? - 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. - 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?
- Difference 6974
There is a difference between the two numbers. We will reduce the minority by 23. How do we have to change the minority so that the original difference does not change?
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