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Find the Mean. Mrs. Planavsky 4 th Grade. Math Background. The mean is an average. You can find the mean by dividing the sum of a set of numbers by the number of addends To check the mean, multiply it by the number of items. The product should agree with the regular sum. - PowerPoint PPT Presentation
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Mrs. Planavsky4th Grade
Find the Mean
The mean is an average.You can find the mean by dividing the sum of
a set of numbers by the number of addendsTo check the mean, multiply it by the number
of items. The product should agree with the regular
sum.
Math Background
Find the mean, or average, of a set of data
Today’s Objective
Janet earns money walking her neighbor’s dogs. Over 4 days she earned $4.75, $3.60, $8.25, and $5.00.
What is the mean, or average, amount Janet earned each day?
Learn
So, the mean, or average, amount Janet earned was $5.40 per day.
77101214
Find the mean.
10
3569
1213
Find the mean.
8
14399213407698
Find the mean.
312
Math is Neat!
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