What is the sum of 45+37? by laurel https://padlet.com/labernar/1chd2n8q6pme Do you have to regroup? Why or why not? en-us 2018-05-21 11:09:24 UTC 2018-05-22 14:30:14 UTC hello@padlet.com 45+37=8 https://padlet.com/labernar/1chd2n8q6pme/wish/262367324 xaviet]]> 2018-05-21 14:05:08 UTC https://padlet.com/labernar/1chd2n8q6pme/wish/262367324 45+37=82 I regrouped because 72 does not round to 90. https://padlet.com/labernar/1chd2n8q6pme/wish/262367435 leah]]> 2018-05-21 14:05:22 UTC https://padlet.com/labernar/1chd2n8q6pme/wish/262367435 43+37=8 https://padlet.com/labernar/1chd2n8q6pme/wish/262368307 morgan]]> 2018-05-21 14:07:31 UTC https://padlet.com/labernar/1chd2n8q6pme/wish/262368307 45+37=78 I regrouped because 4+3=7 5+3=8 https://padlet.com/labernar/1chd2n8q6pme/wish/262380722 trinity]]> 2018-05-21 14:39:46 UTC https://padlet.com/labernar/1chd2n8q6pme/wish/262380722 45+37=82 I regroup https://padlet.com/labernar/1chd2n8q6pme/wish/262382856 Brian coleto]]> 2018-05-21 14:45:25 UTC https://padlet.com/labernar/1chd2n8q6pme/wish/262382856 45+37=82 https://padlet.com/labernar/1chd2n8q6pme/wish/262386292 Liam]]> 2018-05-21 14:54:06 UTC https://padlet.com/labernar/1chd2n8q6pme/wish/262386292 45+37=82 https://padlet.com/labernar/1chd2n8q6pme/wish/262431785 Ari]]> 2018-05-21 16:46:38 UTC https://padlet.com/labernar/1chd2n8q6pme/wish/262431785 45+37=78 I regrouped because 4+3=7 and 5+3=8 https://padlet.com/labernar/1chd2n8q6pme/wish/262437468 amelia]]> 2018-05-21 17:03:02 UTC https://padlet.com/labernar/1chd2n8q6pme/wish/262437468 45+37=78 there is regrouping because it rounds to 90 https://padlet.com/labernar/1chd2n8q6pme/wish/262706519 jeffrey]]> 2018-05-22 14:24:57 UTC https://padlet.com/labernar/1chd2n8q6pme/wish/262706519