Maths practice for 11-year-olds. - page 150 of 191
Number of problems found: 3802
- -x-3/3 4027
x + 6/6 -x-3/3 = 3/4 - Calculated 4023
How much does the glass of a display cabinet with dimensions of 3m x 2m and a thickness of 10mm weigh if the weight of the glass is calculated based on its specific volume weight, which is 2600 kg/m³? Therefore, the weight of one sheet of glass measuring - Norm
Three workers planted 3555 seedlings of tomatoes in one day. The first worked at the standard norm, the second planted 120 seedlings more, and the third 135 seedlings more than the first worker. How many seedlings were the standard norm? - Two machines
Performances of two machines are in a ratio of 7:12. A machine with less power produced 406 pieces of products per shift. a) How many pieces are produced per shift second machine? b) How many pieces produced two machines together for five shifts?
- Orchard
3/5 of the trees in the orchard are apples, 1/3 are cherries, and the remaining five trees are pears. How many trees are in the orchard? - Bicycle gears
The toothed wheel on the bicycle pedal has 40 teeth, and the wheel on the rear wheel has only 16 teeth. How many times does the rear wheel turn if the pedals rotate 50 times? - Minutes 4009
One egg is boiled for 5 minutes. How many minutes will five eggs be cooked? - Journey 4008
Hansel has a step length of 75 cm, and his little sister Danka is only 60 cm. How many steps does Danka take to school if Jan walks 820 steps? How many steps does their father take on the same journey? Who walks 4.5 m in 5 steps? - Equation: 4006
Solve the equation: (4x / 2.5x) + (2.4: x) = 3.1. x is a natural number.
- Expression: 4005
Specify the value of this expression: 214:218. - Specify: 4001
Specify: a = D (240,320) b = n (40.64) - One-fifth 3999
They sold one-fifth of the fabric package in the store, and 44m of fabric remained in it. How many meters of material were in the package? - Apples and pears
Mom divided 24 apples and 15 pears among the children. Each child received the same number of apples and pears - the same number as their siblings. How many apples (j=?) and pears (h=?) were received for each child? - Percentage 3980
Calculate the percentage of waste when we cut out 4 of the largest possible circles from a square sheet with sides of 1 meter.
- Cheetah
The cheetah elapses 150 m for 5 seconds, the eagle reaches speeds up to 230 km/h, and the dolphin swims 1.2 km per minute. Which animal is the fastest and slowest? The results are written as meters per second (m/s). - Customer
A customer purchased three (3) writing pads from a store. She receives a k9.70 change from a k10.00 note. How much has its writing pad cost? - Numbers 3965
Change the numbers 34, 21, and 5.5 in a ratio of 5:2. - Greater 3964
How many times is the number 1012 greater than the number 10^-4? - Volume 3960
The volume of the block is 1000 cubic meters. Food b = 8m, food c = 12.5m. How long is the party and?
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