Pi Crate
Lesson Intentions: This kit will guide your child/student in understanding and applying the following concepts: nomenclature of the circle and its parts including: sectors, arcs, circumference, chords, radius, diameter, pi, and semicircle; understanding and applying the pi equation using a handson approach; and understanding and applying equations to figure out the surface area of a circle and the sectors of a circle. This lesson kit is great for grades 3rd through 7th. For younger grades, you can start with the first few activities and then save the future activities for future years. Happy Pi Day (March 14th)!
K through 8^{th}: You will bake a pi and work through the following lessons:
 Lesson 1: A circle and its parts (before pi day on 3/14)
 Lesson 2: Exploring sectors in a circle (before pi day on 3/14)
 Lesson 3, activity 1: Circumference practice and Pi day, this lesson is meant to be done as a group or with the teacher/parent. (on or near pi day)
 Lesson 3, activity 2: Happy Pi Day, this lesson is also meant to be done as a group or with the teacher/parent. (on or near pi day), older grades can work independently or in partners.
Older grades 3^{rd}through 8^{th}: You will continue to work through the following lessons. Younger students should wait for future years. Advanced younger students can observe a teacher/parent doing the lesson at the teacher/parent’s discretion.

Lesson 4, activity 1: Area of sectors of a circle
 Lesson 4, activity 2: Area of sectors of a circle with quarters
 Lesson 4, activity 3: Area of sectors of a circle with sixths

Kit Includes: Illustrated lesson plan with seven different activities, an 8 x 12 in. cork board, 3 geometry sticks, eight different sized circles, 20 sheets of 7 x 11 in. white paper, 14 sheets of colored cardstock paper (1 yellow, 1 dark blue, 1 pink, 1 red, 2 purple, 2 light blue, 3 orange, and 3 green), a ruler, a small tin container with 5 push pins, a paper with a straight line to use for lesson three, string, a journal, color pencils, wood burned pieces (C, A, d, r, x, =, and 𝝅), 4 red laminated exponents (2), a laminated 3.14 label, and plain labels to use to write down measurements.
Creator: Lesson Plan and follow up work prepared by: Caroline Moulsdale, Owner and Lead Educational Consultant of ABC Crate, LLC, with Credentials in Early Childhood Education (Preschool and Kindergarten) from CMTE/NY, 2001; Elementary Education I (grades 1^{st }to 3^{rd}) and II (grades 4^{th}to 6^{th}) from Delaware Institute for Montessori Education, 2015; BS from The University of Delaware; Lead Teacher in Montessori Education for 18 years, and Parent Education Director for 8 years.