Changes

==More details==

==More details==

Cards ha four different attributes: color, shape, fill texture, and number of elements.

Cards have four different attributes: color, shape, fill texture, and number of elements.

:(The number version works with prime factors instead of shapes and textures.)

:The number version works with prime factors instead of shapes and textures.

:(The word version works with semantic groupings.)

:The word version works with semantic groupings.

Play by clicking on three cards to make a group. If it is a valid group, it will be moved on the left (in the blank-card zone.) It will be repaced by new cards from the deck.

'''Play''' by clicking on three cards to make a group. If it is a valid group, it will be moved on the left (in the blank-card zone.) It will be repaced by new cards from the deck.

A valid group is defined by cards where each attribrute is either the same on each card or different on each card, e.g, all three red cards or one red, one green, and one blue card.

A valid group is defined by cards where each attribrute is either the same on each card or different on each card, e.g, all three red cards or one red, one green, and one blue card.

An invalid group is when two cards share and attribute and the thrid card does not, e.g., one red and two green cards.

An invalid group is when two cards share and attribute and the third card does not, e.g., one red and two green cards.

Groups must be valid across all four attributes. Examples of valid and invalid groups are shown below.

Groups must be valid across all four attributes. Examples of valid and invalid groups are shown below.

Watch out, because it can be very addictive.

Watch out, because it can be very addictive.

===Examples of matches===

===Examples of valid matches===

[[Image:One-red-circle.png]] [[Image:Two-red-circles.png]] [[Image:Three-red-circles.png]] colors, shapes, and shade match; numbers are different

[[Image:One-red-circle.png]] [[Image:Two-red-circles.png]] [[Image:Three-red-circles.png]] colors, shapes, and shade match; numbers are different

[[Image:One-red-circle.png]] [[Image:Three-blue-checks.png]] [[Image:Two-green-exes.png]] everything is different

[[Image:One-red-circle.png]] [[Image:Three-blue-checks.png]] [[Image:Two-green-exes.png]] everything is different

===Examples of mismatches===

===Examples of invalid matches===

[[Image:One-red-circle.png]] [[Image:Two-red-circles.png]] [[Image:Three-green-circles.png]] two of the same colors

[[Image:One-red-circle.png]] [[Image:Two-red-circles.png]] [[Image:Three-green-circles.png]] two of the same colors

[[Image:Activity-VisualMatch15.png|600px]]  

[[Image:Activity-VisualMatch15.png|600px]]  

On occasion, there is no match. If there is no match, 3 additional cards are dealt as illustrated in the figure above.

On occasion, there is no match. If there is no match, three additional cards are dealt as illustrated in the figure above.

===The toolbar===

===The toolbar===