Maths practice for 11-year-olds. - page 165 of 224

Number of problems found: 4465

Kilo candy
One kilogram of chocolate candy costs 10 euros. Kate bought 250 grams and had the eight-pack of candy. How much does one bonbon cost?
Chicks
How many chicks were hatched from 4500 eggs, while an average of 100 eggs hatched 87?
Liter of gold
What weight does one dm³ of gold have? Gold density is 19,300 kg/m³
Czech nightingale
The absolute winner of the Czech nightingale poll in 1997 was Lucy White. If you subtract 65,202 from the product of 5,064 and 123, you get the number of points she got in the survey (how many did she get?)
Cargo load
How many products weighing 12.5 kg can be loaded on a cargo car with a load of 1.5 t to load two-thirds?
Material 5296
What material is the casting that weighs 45.2 g and has a volume of 4 cm³? If it is a simple chemical element, write its chemical symbol.
Brackets 2
Add parenthesis to make true: 5-2×6-4+2=5
Dimensions 5278
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?
Numbers 5276
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.
Divisions 5272
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
Deducted 5271
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?
Difference 5269
Calculate the difference between the sum of the numbers 1.04 and 0.56 and the product of the numbers opposite to them.
Temperature 5268
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 5266
Caesar was born in -101. The First World War began in 1914. How many years did it start?
Calculate 5261
Calculate the second summand if you know that one summand is 28.6, and the result of the sum is -100.
Result from factoring
Calculate the second factor if one factor is .0.8, and the resulting product is 8

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