Ready to take Math Misconception Mystery for a TEST DRIVE? with your 3rd graders? Here's a FREEBIE lesson which addresses PLACE VALUE. (Common Core Standard: MACC.3.NBT.1.1, Florida: MAFS.3.NBT.1.1) Math Misconception Mystery is an interactive and educational video series used to encourage problem solving, reasoning, and logical thinking to achieve a mastery of grade level Common Core math standards. Students watch four quirky characters give their reasoning and solution to a particular mat