Here's a set of 24 (4 per page) Input Output Task Cards. Some questions ask for the rule where other questions ask for the missing number on the Input or Output side, but don't give the rule so students have to figure out the rule to answer the question. These are all adding or subtracting. Answer key, recording sheet, and suggestions for use included. Play Scoot, Quiz, Quiz Trade, use as a Math center, early finishers, or problem of the day, which can be put in math journals.
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