This product contains 2 sets of 20 task cards that require students to use their understanding of addition and subtraction with two and three-digit numbers to determine what number is missing from the table and what the rule is.
The first set of 20 cards asks students to determine the rule -- which either uses addition or subtraction.
The second set of 20 cards asks students to determine what's missing from the table using the rule it follows - which either requires addition or subtraction.
Also included are recording sheets for each set as well as answer keys.
Check out my Input/Output Robot Craftivity product to coordinate with this activity!