This decimals review activity covers estimating sums and differences, adding, subtracting, multiplying, and dividing decimals. It's in the form of a math mystery designed to engage and motivate your class while getting lots of decimal practice! Perfect for review, test practice, early finishers, or the sub-tub. Students will use math skills to solve the Case of The Disappearing Donuts. Easy prep! Just Print & Solve! Or go paperless with the new Google Slides option provided within your downl