From the category archives:

Mr. L's Videos

Pyramid Math – a Video Introduction to the Number Sense Development Activity

by Bill Lombard on 8 August, 2010

KenKen – Introduction and Strategy Tips to Solve a 4×4 Puzzle

by Bill Lombard on 23 July, 2010

KenKen – a Video Introduction to the 3×3 Puzzle

by Bill Lombard on 22 July, 2010

Isosceles Triangles Make a Square – Video Project for the Geometry Class

by Bill Lombard on 16 May, 2009

A Visual Introduction to the Algebra of Linear Inequalities

by Bill Lombard on 30 April, 2009

Linear Inequalities – a Teacher Training Video from Teacher to Teacher Press

by Bill Lombard on 29 April, 2009

Visual Algebra Video – Nuggets and Scales Classroom Lesson 1

by Bill Lombard on 23 April, 2009

Visual Algebra Video – Nuggets and Scales for Teachers

by Bill Lombard on 23 April, 2009

Average Rate of Speed – a Simple Solution to a Confusing Problem

by Bill Lombard on 30 March, 2009

Friday Afternoon Lifesavers – the Teacher’s Best Friend; Part 9, Pythagorean Tree – a Colorful Project for Geometry and Algebra Classes

by Bill Lombard on 29 March, 2009

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