Multiplication is counting the same number over and over. For example 9+9+9+9+9=45. For multiplication it is 9x5=45. For another example 7+7+7+7+7=34. For multiplication it would be
5x7=34.
These two slides below show the 9x tables and the 7x tables.
No comments:
Post a Comment
Note: only a member of this blog may post a comment.