2.NBT.B.5: Addition and Subtraction within 100
2.NBT.A.1: Three Digit Numbers
2.OA.A.1: Addition and Subtraction Word Problems Within 100
Addition Involving 3 Digit Numbers
Subtraction Involving 2 Digit Numbers
Subtraction Involving 3 Digit Numbers
3.NF.A.1: Understanding Fractions