First and Second grade students have a difficult time learning to use a ruler. I found a short video that is a great way to show students a demo. How to use a Ruler
Because a ruler is a smaller tool, seeing an image much larger than life allows for full class instruction and greater success for mastering the use of a ruler.
1. Student are given a ruler as they enter the classroom.
2. Quick “no no’s” are gone over about bending, hitting, etc.
3. Introduce video.
4. View video in its entirety ( 3 minutes)
5. Go back and instruct students by pointing out important aspect of using a ruler. With the video, still shots can be used, as well as fast forwarded and replayed.
These points are highlighted during my lesson: 1. Holding ruler still with 2 fingers 2. Identifying “zero” or the beginning of the ruler 3. Making a small notch at the beginning and end when drawing a line. 4. Stop at the longest line next to the number… not before.
1st graders – use a ruler with only inches
2nd graders – use inches and cm
All students can practice on paper drawing lines 2, 3, 4, 5, and 6 inches or cm.
To add a little fun at the end of the lesson – Give students a small ball of modeling clay – make worms to match their measured lines!
The Science Network 