3 ms·

I remember knowing 16+16=32 because of doing doubles starting with 1. 1+1=2, 2+2=4, 4+4=8, 8+8=16... if I had to guess, I'd say this is how that little girl kne

I remember knowing 16+16=32 because of doing doubles starting with 1. 1+1=2, 2+2=4, 4+4=8, 8+8=16... if I had to guess, I'd say this is how that little girl knew.