https://tiermaker.com/create/sums-of-single-digit-numbers-2-9-17317796
Sums with 0 or 1, or which are commutative forms of other sums are not included.
https://tiermaker.com/create/sums-of-single-digit-numbers-2-9-17317796
Sums with 0 or 1, or which are commutative forms of other sums are not included.
I’m actually pretty good at mental math and I credit playing cribbage as a kid with my grandfather.
Also fitting that there is no 19 in this tier list.