Number Bonds: Missing Part to 20 Worksheet Generator
Free number bond worksheet generator: write the part that is missing. The two parts are generated first and the whole derived from them, so every bond on the page is true. Answer keys included, unlimited printable PDFs.
Customize
How Many Bonds
Steer the Bonds
Change either part, lock the ones you like.
- #13 + 10 = 13
- #26 + 6 = 12
- #316 + 4 = 20
- #413 + 1 = 14
- #518 + 1 = 19
- #68 + 3 = 11
- #78 + 7 = 15
- #82 + 3 = 5
- #916 + 1 = 17
Worksheet Title
Options
Paper
Every shuffle deals a brand-new worksheet — free and unlimited, answer key included.
A different sheet every time
Press Shuffle for a fresh set of problems, lock the ones you want to keep, or type your own numbers straight into the list. The answer key is generated from the same sheet you are looking at, so it can never disagree with the questions.
Print straight from the browser or download the PDF — Letter or A4, with or without the key. Nothing to sign up for and no limit on how many you make.