FREE Multi Digit Multiplication Quiz or Review and Answer Key via Teaching With a Mountain View. A 3 page Multi-Digit Multiplication Quiz with Answer Key included. Use this as a review or as your quiz for your multiplication unit. Includes word problems for 2 x 2 digit multiplication, multi-step word problems, traditional algorithm problems, and up to 4 x 3 digit multiplication. They are in separate sections so that you can cross out or cut off sections that do not apply to you.