Subtraction with the starting number missing worksheets

What is on this worksheet

Subtraction equations with the box as the first number and starting numbers up to 20, so students add back to find where they began.

• Operation: Subtraction
• Where is the box?: First number

You can change any of these settings above. Press "New problems" for a fresh set with the same settings, or pick Version A to Z to print different sheets for neighboring desks. The answer key always matches.

About missing number worksheets

Each equation has exactly one missing number, so there is only one correct answer. Put the box in the result, in the first number, in the second number, or let it vary.

Finding a missing number builds the inverse-operation thinking that later becomes algebra.

Printing

US Letter or A4, portrait: choose your paper size above. Print at 100 percent (actual size). Use "Black and white" for the copier, or "Color" for display pages and mini books.