My students love these number puzzles. They are a great way to practice different strategies for adding and subtracting two-digit and three-digit numbers. They help students play with decomposing numbers to build addition and subtraction math strategies for second grade.
Double digit subtraction strategies anchor chart Check out my unit on teachers pay teachers for double digit addition and subtraction strategies! https://www.teacherspayteachers.com/Product/Fall-Double-Digit-Addition-No-Regrouping-2542051