Dear visitor

I would like to have a moment of your time please. All the games and puzzle on my website are for free, but I have my costs to keep this website up and running. Please consider to donate a small amount to the creator of, if you download multiple worksheets. You can find the donate button in the bottom right corner of the website.

Thank you in advance.

Open the safe worksheet maker

Open the safe puzzles are a great way for kids to practice addition skills. With this online open the safe puzzle maker you are able to create your puzzles within seconds.
How does the open the safe puzzle works? You have to find the combination in order to open the safe. Every key on the keypad has a value. The safe will open when you press 3 button and the sum of these button is 100.

You can create an unlimited number of open the safe puzzles.

Size of the puzzle:
Include solution page in the pdf.
I hope you enjoy the worksheet you downloaded from my website.
I would ask you to like or share this page on any social media.
It is just a small mouse click for you, but a giant help for me.

Thank you!