2.1  I can create and use input-output rules to solve (addition, subtraction, multiplication,and division) problems and can record the inputs and outputs in a table. (


D.28 Multiplication input/output tables

D.29 Multiplication input/output tables: find the rule


2.2  I can write and interpret (read) number sentences that involve multiplication, division,

and unknowns (variables) to represent a real-world problem. (

G.1 Write variable expressions

G.2 Write variable expressions: word problems

G.5 Write variable equations to represent word problems


2.3  I can find the values for the unknowns that make a number sentence true. (

G.6 Solve variable equations

G.3 Evaluate variable expressions