This educational resource pack includes:
Operations and Algebraic Thinking
represent and solve problems involving addition and subtraction.
Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem. understand and apply properties of operations and the relationship between addition and subtraction.
Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.
Represent addition and subtraction with objects, fingers, mental images, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.