Maths practice for 11-year-olds. - page 164 of 224

Number of problems found: 4479

Floor cost
How much does it cost to lay a floor in three classes if each class has dimensions of 8m by 6m and a square meter of 1m costs 15eur?
Number sum
What is 2/3 of the sum of numbers (0.10) and (-5.3)?
Product of the sum and difference
Calculate the product of the sum and difference of numbers -7 and -2.
Mixing operations with numbers
Subtract twice the number -23.6 from the difference between the numbers -130 and -40.2.
Flea jumps
Find out where the flea jumps if it jumps from the number: A) -17 by 28 pieces towards larger numbers. B) from the number -9 by 16 divisions towards smaller digits
Debt deduction
Marta owed Eve € 685. Eva deducted this debt value as Marta bought her a shelf for € 160. How much debt did Marte have?
Diver's probe
The divers measured a depth of 104 m. They want to place a research probe at four times less depth. How deep will the probe be placed?
Number difference
Calculate the difference between the sum of the numbers 1.04 and 0.56 and the product of the numbers opposite to them.
Temperature measurement
In the evening, Zuzana measured the air temperature at -2.4 °C. In the morning, she measured the temperature three times lower. What temperature did Zuzana measure in the morning?
Christina - Samuel
Samuel is 2 cm higher than the average height of the pupil in the class. Christina is 7 cm lower than the average height. How taller is Samuel than Christina?
Caesar timeline
Caesar was born in -101. The First World War began in 1914. How many years did it start?
Finding Second Summand
Calculate the second summand if you know that one summand is 28.6, and the result of the sum is -100.
Temperature Forecast Maximum
The television tree frog announced such a forecast the following day. At six o'clock in the morning, we expect a temperature of -3°C, but during the day, it will warm up to 11°C. Determine what maximum temperature we can expect the next day according to t
Elevator floors
A skyscraper occupied his car in an underground garage marked with buttons in elevator number -3. He drove to his floor, number 26. How many floors did he take in the elevator?
Timeline calculation
Archimedes was born in -287. Caesar was born in -101. How many years later was Caesar born?
Number sum
What is 4/5 of the sum of numbers (-4.95) and (-11.05)?
Square diagonal
The area of the square is equal to 2.56 square meters. Calculate its diagonal.
Snowman 3
During the last winter carnival, the local college students built a 30- foot snowman out of 109 tons of snow. How much snow will be needed to build a 36- foot snowman this year?
Cardboard
How many m² of cardboard are needed to make the cuboid with dimensions 40 cm, 60 cm, and 20 cm?
Sheet of paper
Is the sheet of paper measuring 18 and 25 cm enough for taping 9 cm cubes with an edge? (1 = yes, 0 = no)

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