Page 41 - SPARK OF MATH book(2)
P. 41

(3-2) Multiplication up to 5×10.





                We can memorize the multiplication facts for any number by

                studying the multiplication table.



                                            Multiplication Table








                            1       2       3        4       5       6       7        8       9      10




                   1        1       2       3       4        5       6       7        8       9      10




                   2        2       4       6        8      10      12      14       16      18      20




                   3        3       6       9       12      15      18      21       24      27      30




                   4        4       8      12      16       20      24      28       32      36      40




                   5        5      10      15       20      25      30      35       40      45      50








                                                               find the 4th row.



                                                               find the 7th column.



                                      28                       the product.











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