Common Core Standards: 3.OA.A.13.NF.A.14.OA.A.24.OA.A.33.OA.A.33.NBT.A.23.OA.A.23.OA.D.83.NF.A.2b3.OA.A.43.OA.C.73.NBT.A.33.OA.D.93.OA.B.53.NBT.A.13.MD.C.53.MD.C.63.MD.C.7a

exercise By Polly Brewer4/13/2015

Tags: Array, Arrays, fraction, Addition, Subtraction, Equation, Relation between addition and subtraction, ...

Common Core Standards: 3.NBT.A.2

exercise By Vivian Perry5/7/2015

Tags: Numbers, Subtraction, Addition, subtraction, Equation, Expression

Common Core Standards: 2.OA.A.12.OA.B.22.MD.D.92.MD.D.102.MD.B.52.OA.C.32.NBT.B.6

exercise By Josie Fixler7/13/2014

exercise By Anna Marie F Smith2/17/2022

exercise By Wes Clarkson8/26/2014

exercise By Trevor Markowicz4/5/2024

Tags: undefined, STATE_RELEASED_TESTS

Common Core Standards: 1.NBT.A.11.NBT.B.2a1.NBT.B.2b2.NBT.B.72.NBT.B.81.NBT.B.31.NBT.C.41.NBT.C.51.NBT.C.6

exercise By Josie Fixler5/21/2015

Tags: starting ..., includi..., includi...

exercise By Alyssa Wilkey3/27/2018

Tags: DRE MATH

Common Core Standards: 2.NBT.B.5

exercise By Josie Fixler3/17/2014

Common Core Standards: 2.OA.A.12.OA.B.2

exercise By Josie Fixler5/19/2014