Integer operations worksheets

Integers add negative numbers to the mix, and the sign rules are the whole challenge. These free printable worksheets drill adding and subtracting positive and negative numbers, with the sign combinations mixed together.

Integer operations
Integer operations worksheet — Add and subtract, free printable with answer key

The answer key prints on a separate page.

What's on this sheet

Adding a negative is subtracting; subtracting a negative is adding. Stated as rules they blur together, so practice is the thing that makes them stick. Sheets mix the two operations across a chosen range so a child meets every sign combination rather than one at a time.

Why this sheet works

Integers are the doorway to algebra, where negatives appear on both sides of every equation.