Bubble Burst

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How long will you last? Play this decimal addition game and see how many points you [...]

Mathematical Mining Moles

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Moles are hard at work solving decimal addition problems in this fun game.  Can you help [...]

Genius Defender Decimal

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Defend your small group of warriors with nothing but your mind.  Enemies are approaching with horrible [...]

Subtracting Decimals

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Sal of Khan Academy explains how simple subtracting decimals can be. He removes the confusion that [...]