Set up a multiplication bee that is similar to a spelling bee. Have all the students start out in the game. Begin by giving the students the easiest of the multiplication facts. When a student gets an answer wrong, he is out of the game. The problems need to get progressively harder as the game continues. The last student to give a correct answer is the winner. Have a prize for the winning student.
Have races between your students. This allows them to work as teams and learn from each other. Line up your class in two, three or four teams depending on the number of students and how much time you have. Give the student at the beginning of a line a multiplication fact. He must quickly respond with a correct answer. If the answer is correct, he runs to the back of the line to give the next teammate a chance. The teacher goes from team to team, allowing no more than 20 seconds for a student to give an answer. Each time a student answers correctly, he gains a point for his team. If they do not answer correctly, the team loses a point. The team with the most points at the end of the game wins.
Have worksheet games occasionally for kids who are visual learners. Keep the race idea, but with the worksheets, the students race against the clock instead of against each other. Give them a sheet with problems already typed out. Allow a certain amount of time to finish the worksheet. Encourage students to try to beat their previous record. For example, if they finished only 10 out of 20 questions last time, see if they can get a couple more completed. Do not grade these sheets; just use them as an extra and fun learning tool.
Make up your own bingo cards, being sure to fill each square with a number that is an answer to a multiplication fact. Make up numerous cards, putting different numbers on each card. When playing bingo, give the students a multiplication fact, such as 4 times 4. The answer is 16. Any child who has a 16 on his card can cover it up using a marker.