Curated OER
A Slice of Pi
Math pupils, by viewing a video, discover the history of pi and some of the applications of its uses in the world today. They conduct an experiment by measuring the diameter and circumference of various circular objects to calculate...
Alabama Learning Exchange
How Old Is That Tree?
Fifth graders study environmental changes by examining the annual rings of a cross-section of a tree trunk. They access websites to complete a worksheet on the parts of a tree. They count the annual rings on a tree slice while observing...
Curated OER
A CLOSER LOOK
Students group objects by their physical characteristics and various compositions using literature to stimulate recall.
Curated OER
Search for the Missing Pi
Third graders work in groups of two to three with measuring tapes, finding the circumference and diameter of teacher-selected circular items. They relate circumference and diameter measurements to find pi.
Curated OER
Pizza Fractions
First graders identify a whole and the fractions 1/4, 1/2, and 3/4 using pizza. This is a very nice lesson, in that not only do students practice their fractions, they also get to eat the pizza at the end of the lesson!
Curated OER
Peace Pie
First graders review peacemaking strategies by identifying their capacity of creating and promoting peace within their classroom, home, community, and world. Fractions are introduced through the making of a "peace pie."