Math Worksheets

1. Your math grades may be based on The Average of all your test scores. In sports, you might want to find out The Average height of players on your favorite basketball team. 
2. To find an average, add up a list of all numbers and divide the sum by the number of items on the list. 
3. The Average of 1 to 10 is:
   • 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55
   • 55 ÷ 10 = 5.5
   • The Average of 1 to 10 is 5.5.
   • Note that The Average does not have to be a whole number.
4. The Average of class I scores is 7.8. The Average of class II score is 8. So, class II did better than class I on average. 
5. The Average temperature this week is 79.43 (to 2 decimal point of accuracy). 
6. The Average weight of Anna’s bags is 9.83 (recurring). Recurring in math means the number repeats to infinity. 9.83 recurring means the actual number is 9.8333333333333333333…
7. The Average size of Mike’s TVs is 28″.
8. This problem is a little different from the rest. Since there are 12 inches in a foot, we cannot simply add the heights together.
   • For example, adding 5′ 0″, 4′ 9″, and 3′ 6″ together does NOT equal 13.5′ or 13.5″ or 13′ 5″.
   • When adding height, you need to add feet and inches separately. In this case, the average height is 5 + 4 + 3 = 12 foot and 0 + 9 + 6 = 15 inches.
   • There are three heights so your averages are 12 ÷ 3 = 4 foot and 15 ÷ 3 = 5 inches.
   • The average height is 4′ 5″.
   • If you simply want to find the sum of the heights, then do the following:
   • You know that there are 12 inches in 1 foot. 15 inches is equal to 12 inches + 3 inches. Therefore, 15 inches = 1 foot + 3 inches.
   • The sum of all heights is: 5′ 0″ + 4′ 9″ + 3′ 6″ = 13′ 3″
9. James’ average score is 588.5.
10. Linda’s cookies have the average diameter of 4.292 cm.

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