Main play action: Left/right motion and
toggle of falling block orientation.

Math support: Rapid absorption of addition
facts involving 2 single-digit numbers.

Rumpel Doodah (Whole Numbers)

Goal: Flip all Rumpels onto a human pyramid
and discard all Ruffians.

Main play action: Click to open jaws of
a mechanical claw, dropping Rumpels/Ruffians.

Math support: Place value; pairwise comparison
of whole numbers.

Intergalactic Pizza Delivery
(Whole Numbers)

Goal: Deliver a pizza to the space station
before the delivery robot does.

Main play action: Answering flash card facts
involving all previously-studied operations.

Math support: Basic whole number facts crossing
all four primary operations.

Equation Creation (Rational
Numbers)

Goal: Create as many distinct equations
as possible using given digit/operator tiles.

Main play action: Selecting tiles for equation
area by either clicking or typing.

Math support: Compound operational facts
involving whole numbers; order of operations; commutative properties
of addition and multiplication; simple algebraic manipulation.

Manhole Mutants (Rational
Numbers)

Goal: Eliminate all mutants from the sewers
by dropping a wrecking ball on their manholes.

Main play action: Clicking an equation that
corresponds to the value on a given manhole.

Math support: Basic whole number facts crossing
all four primary operations. (Coming soon: Equivalence of rational
numbers in the 3 common forms)

D-Cypher (Whole Numbers/Rational
Numbers)

Goal: Decipher a series of mathematical
codes to obtain historical treasures.

Main play action: (varies from code to code)
Math support: (varies from code to code -- new locations correspond
to recent material) Try
a game

The Black Whole (Rational
Numbers)

Goal: Create and eliminate clusters of fractions
whose sum is a whole number.

Main play action: Clicking to place new
fraction pieces in a hexagonal grid.

Math support: Equivalent fractions; adding
using common & uncommon denominators.