Addition and Subtraction of Integers

Addition Properties

Adding 3-digit numbers in columns (with regrouping)

Mental Addition with Missing Numbers

Adding to complete one hundred (with carrying and missing addends)

Adding a 2-digit number and a 1-digit number (with carrying and missing addends)

Adding a 2-digit number and a 1-digit number (with carrying)

Adding a 2-digit number and a 1-digit number (with carrying)

Fractions