2 4 6 8 number pattern July 8, 2019 16 32 64 128 2 4 6 8 pattern 2 4 6 8 10 pattern 2 4 6 8 pattern rule 2 4 6 8 10 pattern rule 2 4 6 8 10 pattern worksheet 2 4 6 pattern 2 4 6 8 10 song