Exit Ticket 10.19.17 by Tamara Whitaker https://padlet.com/tWhitaker/bcah0503b4ue NBT.3: How many tens are in the number 1221? en-us 2017-10-17 17:18:22 UTC 2017-10-17 17:20:43 UTC hello@padlet.com Shay Shay tWhitaker https://padlet.com/tWhitaker/bcah0503b4ue/wish/197922085 2 tens ]]> 2017-10-17 17:20:39 UTC https://padlet.com/tWhitaker/bcah0503b4ue/wish/197922085