— Recognize different representations of numbers up to 10
— Understand the relationship between numbers and quantities
— Understand equality
— Visualize addition with objects
— Find the number that must be added to N to produce a given number
— Decompose numbers up to 10 into pairs in more than 1 way, visualize decomposition
— Decompose numbers up to 10 into triplets in more than 1 way, visualize decomposition
— Add fluently within 10
— Introduction of a second variable
— Simple systems of equations