Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Copy of Triangular Numbers
Author:
Edmond So
,
Gareth Daniels
Use the input box to choose a value for
n
.
GeoGebra
Try to work out a formula to find the number of red circles in the
n
th pattern.
GeoGebra
New Resources
Ellipse as Envelope - Correspondence Method
Limaçon / Cardioid as a Locus - A Classical Construction
Cross Product in 2D and 3D
Viviani's Window
History of Maths
Discover Resources
Complementary angles
GoGeometry Action 18!
สามเหลี่ยมพิทาโกรัส
DD.7.1.3
Week 6 Day 1 Learning Goals
Discover Topics
Area
Fractions
Rational Numbers
Continuity
Cube