This Halloween-themed mixed decimal review task card set includes all operations with decimals. It can be used for a well-established fifth grader, a beginning sixth grader, or a seventh grader who needs to review all decimal computations. There are 12 task cards with basic computation, and 8 cards with word-problems. All the word problems only require 1 step. The set includes 20 task cards, a recording sheet, a key, and 8 extra cards that you can use to either substitute or enrich some of the other task cards.