5 fun math puzzle activities to review Identifying Angles (Names and Classifying), Measuring Angles with a Protractor, Cardinal and Intermediate Directions (Angles between Compass Points), and Missing Angles (Supplementary, Complementary, Vertical, Adjacent, and Around a Point). Fun alternatives to standard worksheets, these 5 Hidden Word or Spot the Mistakes puzzles are ideal for starters, bell ringers, early finishers activities, review tasks, homework etc. All puzzles are in PDF format and fu