This packet has 32 printable and 32 digital task cards via Google Slides to review the concept of the balancing equations for addition and subtraction within 20. Please check the preview.For each task card, student will find the missing number to balance the two equations. Answer sheet and 2 recording sheets (one for 24 cards and one for 32 cards) are included for printables.Click here to check addition without regrouping, subtraction without regrouping, addition with regrouping, and subtraction