Step 2: Teach Lesson
Watch the video in Step 1.
Give the student a large poster paper and have them draw 2-3 large sand castles. When done, have them hang it on a
wall. Then give the student different size shovels. Use different color shovels for different sizes.
Have them record how tall
one sand castle is using one shovel then record how tall another sand castle is using a different size shovel. Discuss your
Discuss the history of measurement and how people measured and still measure when they do not have the correct
measuring tools. All of us use our hands to measure off something when shopping if we did not bring our measuring tape.
It is important that the student be allowed to explore measuring with nonstandard items.
● First teach them to be careful and make sure that the items touch, not overlapping or leaving a gap, to get the
● Second, as they explore they come to realize that nonstandard measurement is good for estimating but not exact
Have student measure three things (such as a couch, table, rug, room, garage, driveway, length of car, etc.) in their
house with three different shoe sizes. See how the three measurements are different.