# Item Specifications

Grade 1 Mathematics Item Specification

Operations and Algebraic Thinking

*Represent and solve problems involving addition and subtraction.*

*Understand and apply properties of operations and the relationship between addition and subtraction.*

*Add and subtract within 20.*

*Work with addition and subtraction equations.*

Number & Operations in Base Ten

*Extend the counting sequence.*

1.NBT.A, 1.NBT.A.1

*Understand place value.*

1.NBT.B, 1.NBT.B.2, 1.NBT.B.2a, 1.NBT.B.2b, 1.NBT.B.2c, 1.NBT.B.3

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

1.NBT.C, 1.NBT.C.4, 1.NBT.C.5, 1.NBT.C.6

Measurement and Data

*Measure lengths indirectly and by iterating length units.*

*Tell and write time.*

1.MD.B, 1.MD.B.3

*Represent and interpret data.*

1.MD.C, 1.MD.C.4

Geometry

*Reason with shapes and their attributes.*