Other Tips to Remember 3 x 7 = 21 and 7 x 3 = 21
Skip Counting
Skip counting is counting while skipping one or more numbers. To skip count by 3's, skip 2 numbers while counting. (3....6....9....12....) Many refer to this a "counting by 3's
3 x 7 is skip counting seven times or 3... 6... 9... 12... 15... 18... 21 and you are at the answer.
Rhymes
Seven cooked the threes until they were plenty done, seven times three is twenty-one.
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x7
21
7
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21