Google Slides - Online Learning - Perfect with Chromebooks OR ProjectThis google slides resource includes 20 digital What Number Am I? Math Brain Teaser Puzzles & 2 make your own slides. This activity is great for promoting critical thinking, problem solving, computation & reasoning skills. Students use addition, subtraction and patterns to solve for the missing number.Perfect for enrichment, warm-ups, transitions, early finishers, math stations, during testing, morning work, do-nows, en