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.
"Bud is helping his mother bake an apple pie for Thanksgiving dinner. He peels the apples. It takes him two minutes to peel an apple. How long does it take him to peel seven apples?" Five Thanksgiving-themed multiplication word problems.
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.