Finding Missing Numbers in Mean Calculations Practice
In this practice session, you are given scenarios where the mean of a set of numbers is provided, and you have to determine the missing number to complete the set. From finding the fourth number to the fifth score, these exercises help enhance your understanding of calculating means and missing values in numerical sets.
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Mean: Mean: Finding a missing number Finding a missing number Silent Teacher Intelligent Practice Your Turn Narration Four numbers have a mean of 10. The first three numbers are 12,9,10. What is the fourth number? Practice
Worked Example Your Turn ??????????? ?????????? 10. ? ?????? ??????????? 8, 15, 7. ? ????? ?????? ??????? Five ??????? ?????????? 10. ? ?????? ??????????? 8, 15, 7, 8. ? ????? ? fifth ???????
1. Four exams, mean mark is 22. First three scores are 20, 28 and 25. What is the fourth score? Four numbers have an mean of 2.2. The first three are 2.0,2.8, 2.5 What is the fourth number? Five exams, mean mark is 22. First four scores are 20, 28 and 25, 17. What is the fifth score? Five exams, mean mark is 44. First four scores are 40, 56, 50 and 34. What is the fourth score? Five numbers have an mean of 11. The first four are 10,14,12 and 9. What is the fifth number? Four numbers have an mean of 15. The first three are 15, 15, and 15. What is the fourth number? Four numbers have an mean of 15. The first three are 20, 20, and 20. What is the fourth number? Four numbers have an mean of 15. The first three are 30,30,30. What is the fourth number? 2. 3. 4. 5. 6. 7. 8.
1. Four exams, mean mark is 22. First three scores are 20, 28 and 25. What is the fourth score? Fourth score = 15 Four numbers have an mean of 2.2. The first three are 2.0,2.8, 2.5 What is the fourth number? Fourth score = 1.5 Five exams, mean mark is 22. First four scores are 20, 28 and 25, 17. What is the fifth score? Fifth score = 20 Five exams, mean mark is 44. First four scores are 40, 56, 50 and 34. What is the fourth score? Fourth score = 40 Five numbers have an mean of 11. The first four are 10,14,12 and 9. What is the fifth number? Fifth number = 10. Four numbers have an mean of 15. The first three are 15, 15, and 15. What is the fourth number? Fourth number = 15. Four numbers have an mean of 15. The first three are 20, 20, and 20. What is the fourth number? Fourth number = 0. Four numbers have an mean of 15. The first three are 30,30,30. What is the fourth number? Fourth number = -45 2. 3. 4. 5. 6. 7. 8.
