Write one factor on the inner circle and other factors on the middle circle. Write the answers on the outer circle. Although designed as a fun drill for multiplication tables, these math circles also work for addition, subtraction, and division problems.
By 10, by 9, by 5, by 3, and by chunks. This unit contains tricks for multiplication and for checking your work. A playful (and very useful) approach to multiplication. This unit is presented at three levels of varying complexity.