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What Are Doubles?
Doubles are when you add a number to itself. 6 + 6 = 12. 7 + 7 = 14. 8 + 8 = 16. 9 + 9 = 18. Doubles are easy to remember because they make a pattern!
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Math — Addition to 20
Doubles are when you add a number to itself. 6 + 6 = 12. 7 + 7 = 14. 8 + 8 = 16. 9 + 9 = 18. Doubles are easy to remember because they make a pattern!