Common Core Standards: 1.G.A.3

exercise By Emily Lauer9/8/2014

Tags: unit fractions, first grade, , parts of a set, fractions, story problem

Common Core Standards: 1.NBT.A.11.NBT.B.21.NBT.B.2a1.NBT.B.2b

exercise By Josie Fixler4/28/2014

Tags: starting ...

Common Core Standards: 1.NBT.C.5

exercise By Josie Fixler6/27/2014

exercise By Pratima Basnet Chhetri3/27/2020

Common Core Standards: 1.NBT.C.51.NBT.C.6

exercise By Dara Timmerman12/10/2014

Tags: Addition,

Common Core Standards: 1.NBT.A.11.NBT.B.21.NBT.B.2c

exercise By Emily Lauer9/21/2014

Tags: hundred chart, 46, 29, , starting ..., 20, 30...

Common Core Standards: 1.MD.A.11.MD.A.21.MD.B.31.MD.C.4

exercise By Josie Fixler7/16/2014

Tags: represent, and...

exercise By Christopher Della Fave2/21/2019

Tags: Tech for Success Math K-2

Common Core Standards: 1.NBT.A.11.NBT.B.21.NBT.B.2c1.NBT.B.31.NBT.B.2a1.NBT.B.2b1.NBT.C.5

exercise By Josie Fixler7/3/2014

Tags: starting ..., 20, 30...

exercise By Cathy Green5/4/2016