Learn a Fact: 5 x 4

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5

x4


20

4

x5


20

5
X 3
15
5
X 5
25

Learn a Fact: 4 x 5

Other Tips to Remember 4 x 5 = 20 and 5 x 4 = 20

 

Skip Counting

  • Skip counting is counting while skipping one or more numbers.  To skip count by 5's, skip 4 numbers while counting.  (5....10....15....20....)  Many refer to this a "counting by 5's
  • Skip counting by five is easy because the second number is a zero or five.
  • 5 x 4 is skip counting four times or 5... 10... 15... 20 and you are at the answer

 

Double-Double

  • To remember the 4 fact family, double the number that is being multiplied by 4 twice. 
  • For example, to multiply 4 x 5, 5 doubled once is 10, and 10 doubled is 20.  The answer to 4 x 5 is 20.

Equation: 

4x5