• The FIVE multiplication facts (Method 1)
  • If you can count by fives, method 1 makes the fives simple
  • 3 x 5 would be 3 fives.  Count by five to the third number.  5, 10, 15  (The answer is 15, because the third number, when you count by fives, is 15)
  • 6 x 5 would be 6 fives.  Count by fives to the sixth number. 5, 10, 15, 20, 25, 30  (The answer is 30.)
• Because of the commutative property of multiplication:
  • 5 x 3 = 3 x 5 = 15
  • 5 x 6 = 6 x 5 = 30

• Use the chart below to quiz yourself. 
  Look at the fact below and think of the answer.  Check it by hovering the mouse over the problem.
     

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Lesson 10