Mean - practice for 10 year olds
Number of problems found: 21
- The mean - mi
Find the mean of 3 5 8 4 10. - Two classes
The average of 1A class of 25 is 12 years, and the average age of 1B class of 22 is 10 years. What is the average age of the pupils of 1A and 1B classes? - A meteorologist
A meteorologist calculated that the average temperature over the last four years dropped a total of 20 degrees. What integer represents the average change in the temperature per year? - Numbers 82720
Which number is also distant from the numbers 5.3 and 7.7 on the number line?
- Approximately 81561
The International Express has eight cars. There are from 97 to 105 passengers in each car. Approximately how many passengers will be carried by express train? - Double 23
Double 1.25, then subtract 0.75. What do you get? - Consider 5
Consider the data below that shows the number of COVID cases of the fifteen barangays in Naga City: { 4, 7, 0, 3, 2, 1, 2, 1, 5, 4, 1, 3, 2, 3, 1}. What is the meaning of the data? - Average 66794
Look for three numbers with an average of 2000. The middle number is 2000 - Average price
The sixth grade went on a trip to Moravia. Every 26 pupils paid CZK 320, and the school paid a total of CZK 3,510. What was the average price of a trip per student?
- Business 24751
Dad drove a business trip to a place 348 km away. He arrived at the scene after four hours. What was the average speed? - Wednesday 24741
Eva read 20 pages of the adventure book on Monday,15 on Tuesday, and 19 on Wednesday. She did not read on Thursday but read 36 pages on Friday. On average, how many pages per day did she read? - My father
My father cut 78 slats on the fence. The shortest of them was 97 cm long, and the longer one was 102 cm long. What was the total length of the slats in cm? - Father and sons
Father is 27, and his sons are two and one years. In how many years will his sons sum up to half his age? - Holidaymakers
A total of 94270 holidaymakers spent part of their holiday in 50 hotels a year. On average, how many vacationers are there in one hotel?
- The average
The average of one set of 4 numbers is 35. The average of another set of numbers is 20. The average of the numbers in the two sets is 30. How many numbers are there in the other set? - House numbering
The residential house has three entrances numbered even numbers, successive immediately behind. The sum of the two numbers on the outside entrances is 68. Calculate the middle of these three numbers. - Rounded 4526
Alfonz grew 150 melons with an average weight of 2.35 kg. He managed to sell them for € 1.50 per kg. How much did he earn? The result is rounded to the euro. - Christmas trees
The salesman sold Christmas trees: spruce for € 22, pine for € 25, and fir for € 33. In the morning, he had the same number of spruce, fir, and pine. In the evening, he had all the trees sold for € 3,600. How many trees does the day salesman sell? - Elephants 2906
In 1979, 1.3 million elephants lived in Africa. By 1989, their number had dropped to 600,000. On average, how many elephants have died each year during this period?
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