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Mastermind Instructions

Move your mouse over a colored peg on the right. Drag and drop the peg into one of the empty slots on the current Guess (marked by the red arrow). Press the green Guess button. A Red Circle means a correct color in the correct position. A White Circle means a correct color is in the wrong position. An X means the peg is the wrogn color.

Common Core State Standards
CCSS.Math.Practice.MP1 Make sense of problems and persevere in solving them.
CCSS.Math.Practice.MP8 Look for and express regularity in repeated reasoning.