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    • CHALLENGES - the applets
      • a. Families of Functions [& Relations]
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      • c. Equations & Inequalities as Comparisons of Functions
      • d. Functions on the Domain of Shapes
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      • j. Imagine...
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    • THEMES [idiosyncratic insights] among the applets
  • ESSAYS on teaching mathematics
    • a. What makes a good challenge ?
    • b. Developing 'function sense'
    • c. The role of conjecture
    • d. The many uses of the equal sign
    • e. There are planes and there are planes
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      • I. how much & how many
      • II. comparison, addition & subtraction
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      • IV. further thoughts
    • i. Some Thoughts on Representing Word Problems Graphically
    • j. What Do You Do With A Broken Calculator ?
    • k. On Problem Posing and Making Conjectures
    • l. On the Need for a Bridging Language for Mathematical Modeling
    • m. On Assessment in Mathematics
    • n. Intellectual Mirrors: a step in the direction of making schools knowledge-making places
    • o. Models, Simulations & Exploratory Environments
    • p. model is to data as chicken is to egg
    • q. Growing pains - variations on an old tale
    • r. A Physicist's Lament
    • s. Tyranny, Discipline, Freedom, License; thoughts on computer use in education
    • t. Interactive Images – Pictures for the Mind's Eye
    • u. Coaching & teaching
    • v. Can Technology help...
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CHALLENGES, SANDBOXES, THEMES‎ > ‎CHALLENGES - the applets‎ > ‎

j. Imagine...

"Logic will take you from a to b but imagination will take you everywhere", Albert Einstein

This section is devoted to a collection of applets designed to stretch the mind.

A Puzzling Object - II

A Puzzling Object

Distances from three points

Tic-Tac-Toe in 3D & 4D

Dimensional Units

Heron's formula

Three Points on a Circle

Locations on a Sphere

Circumsphere of a Tetrahedron

How similar are the Red & Green Linear functions?

How similar are the Red & Green Quadratic functions?

Believing is Seeing

Goldbach to and fro








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mathMINDhabits by Judah L. Schwartz is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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