This mouse knows how many of these mini-cheeses fit into this container.
How many do you think will fit?
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Primary Mathematics Challenge 2009 (2009)
One puzzle per day. Cryptarithm, Magic Square, Summit. No sign-up required to play.
Play daily puzzle →Interactive problems and curated lessons—water pouring, magic squares, knight's tour, and more.
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View leaderboard →Primary Mathematics Challenge 2009 (2009)