Free Addition Worksheets to Download
Addition is a binary operation. Two numbers are
combined to create a unique number.
Addend + Addend = Sum
Closure Property for Whole-Number Addition: The sum of any
two whole numbers is a whole number.
Commutative Property of Whole-Number Addition: a + b = b +
a
Associative Property of Whole-Number Addition: (a + b) + c
= a + (b + c)
Identity Property of Whole-Number Addition: a + 0 = a = 0
+ a |