Changes

# Players write their Number Bowling scores as fractions of perfect scores and then convert the fractions to their decimal equivalents: 64/100 = 0.64

# Players determine their improvement in Number Bowling scores from game one to game ten, game ten to game twenty, etc., and then express the improvement as a percent:

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<li>Organize groups in an ongoing tournament for Number Bowling. You can use the scorecard on page 11 to record the best times for each level.</li>

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