Looking for a New Year's Math activity for that first day back to school after the break? This All 100 Math Challenge is a high-engagement way to get students thinking flexibly while strengthening their understanding of Order of Operations. Using only four digits ( 1, 1, 2, 6), students create equations that match every target value from 1 to 100. *For differentiation, there are also versions for finding 1 to 10, 1 to 24, and 1 to 50. Students can combine addition, subtraction, multip