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!