# Item Specifications

Grade 2 Mathematics Building Blocks

Operations and Algebraic Thinking

*Represent and solve problems involving addition and subtraction. *

2.OA.A, 2.OA.A.1

*Add and subtract within 20.*

2.OA.B, 2.OA.B.2

*Work with equal groups of objects to gain foundations for multiplication.*

Number & Operations in Base Ten

*Understand place value.*

2.NBT.A, 2.NBT.A.1, 2.NBT.A.1a, 2.NBT.A.1b, 2.NBT.A.2, 2.NBT.A.3, 2.NBT.A.4

*Use place value understanding and properties of operations to add and subtract.*

2.NBT.B, 2.NBT.B.5, 2.NBT.B.6, 2.NBT.B.7, 2.NBT.B.7.1, 2.NBT.B.8, 2.NBT.B.9