Readiness Activity to Subtract with the Fair Lands Blocks

To subtract with the Fair Lands blocks, elementary school students need to learn when and how to trade “down: big blocks for little ones. This is taught by having them play the Fair Trades Down penny game—the opposite of the trading up game. Instead of adding Unit Cubes to their activity boards after a coin toss, they take them off one or two at a time dependiing on the toss.

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Too many Unit Cubes! So keeping it simple, he trades three Unit Cubes for a Long (not everything for a Super Cube).

Too many Longs! So keeping it “simple, he trades three Longs for a Flat (still not everything for a Super Cube).

Too many Flats! So he trades three Flats for a Super Cube.

Tiger wins because he beat Lion to a Super Cube.

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It is Tigers turn again and he tosses a head, so he puts a Unit Cube on his board.

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