Doubles to 20

Bigger doubles

Doubles keep going! Double 6, double 7, all the way up. Learn these bigger ones.
6 + 6 = 12
7 + 7 = 14
8 + 8 = 16
9 + 9 = 18
10 + 10 = 20

Bigger doubles: 6+6=12, 7+7=14, 8+8=16, 9+9=18, 10+10=20. Knowing doubles helps with lots of sums. Double 8 is 16, so 8+9 is just one more — 17!
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