Ablls-r

4 results

WHY is the AREA of a CIRCLE = pi * r squared?

Created by

WHY is the AREA of a CIRCLE = pi * r squared?It is my contention that it is better to explain how a formula is derived, or teach the understanding behind a formula than just lead with the formula. Enjoy building students' understanding of why "AREA OF A CIRCLE" with this activity. "PIE ARE ROUND", not square! Thank you for your purchase, and remember to leave positive feedback.

7th - 10th

Arithmetic, Geometry

Montessori Geometry - Parts of a Circle

Created by

Crystals Montessori Creations

This Montessori geometry material introduces the parts and measures of the circle using precise language and simple black-line diagrams that support abstraction and careful reading. Students learn the fundamental elements of the circle, including the center, arc, chord, diameter, and radius, as well as the circumference and area. The material is organized into four progressive levels of difficulty: Supported reading with definitions and labeled picture cards Independent reading with defini

1st - 4th

Fractions, Geometry, Reading

Also included in: Montessori Geometry Bundle

Knowing the Angles: Three Geometry Activities in One!

Created by

Teacher to Teacher Press

This middle school and high school resource contains three great geometry activities in one coupled with Common Core alignment and research tips. Answer keys are included. Knowing the Angles: Versions 1 & 2 — Students will construct polygons and find their interior angles. They will discover patterns that help them make predictions about other polygons. Multiple options allow for both younger and older students to participate and to understand the concepts. They will begin by using tangrams and

7th - 10th

Geometry

CCSS

7.G.B.5

, 8.G.A.2

, 8.G.A.4

+12