Students sort and classify objects. Grade 1 None Grade 2 None Grade 3 1. Students select appropriate symbols, operations and properties to represent, describe, simplify and solve simple number relationships. 1.2. represent relationships of quantities in the form of mathematical expressions, equations, or inequalities Grade 4 1. Students use and interpret variables, mathematical symbols and properties to write and simplify expressions and sentences.
Students know how to manipulate equations .
2.1. know and understand that equals added to equals are equal 2.2. 1.3. apply algebraic order of operations and the associative and distributive properties to evaluate expressions and justify each step in the process Grade 7 1. Students express quantitative relationships using algebraic terminology, expressions, equations, inequalities and their graphs. Students choose and use appropriate units and measurement tools to quantify the properties of objects. 1.3. find the perimeter of a polygon with integer sides 2.