Napier’s method of multiplication is a method used to multiply large numbers when you do not have a calculator. Draw a 2 by 2 grid to multiply a 2-digit number by another 2-digit number. Label ...

Long multiplication may be written using the grid method or the column method. To multiply whole numbers using the grid method: To multiply a 3-digit number by a 2-digit number use a 2 × 3 grid.