Math Brain Teasers 30 Mini Test Prep Worksheets Promotes Higher Level ThinkingThis set of 30 Brain Builder Math Riddles contains problem solving activities that involve number sense, place value, time, money, geometry, graphing, fractions, measurement, addition, subtraction, multiplication, division, and pre-algebra. A student scoresheet and answer key these math brain teasers is also included. Kid friendly graphics have been thoughtfully included to bring smiles. I created these math test prep