Play continues by trading up, or moving the pennies into the nickle column and then dime column until the combination totals up to a quarter. A simple graphic instruction for constructing the gameboard is included. HQX or PDF format. This unit for grades 4 through 6 uses tangrams to compute the area of polygons without formulas, introducing the terms congruent and similar. Links to other tangram resources on the Web are also provided.
Students then revisit the activity, look for patterns, and write the answer algebraically.
On the three lefthand stones, facing the center, stand three of the people. The other three people stand on the three righthand stones, also facing the center. The center stone is not occupied. Everyone must move so that the people originally standing on the righthand stepping stones are on the lefthand stones, and those originally standing on the lefthand stepping stones are on the righthand stones, with the center stone again unoccupied. A teacher lesson plan is provided.