Properties of Addition

With help, the student demonstrates partial success at 2.0 and 3.0.

Understand addition by recognizing how numbers in a fact family combine to form a sum.

Vocabulary: fact family

I can:

• Understand addition by recognizing how numbers combine to form a sum. For example, I can find what number needs to be added to 8 to make 10.

• Apply the commutative property of addition (e.g., 4 + 3 is the same as 3 + 4) as a strategy.

• Apply the associative property of addition (e.g., (2 + 3) + 4 is the same as 2 + (3 + 4)) as a strategy.