A strange INS photo and a future politician all make an appearance in the latest roundup of photos from the Chronicle archive.

President Donald Trump is adding his name to U.S. dollar bills, the first time a sitting president’s signature will go on paper currency, the Treasury Department announced Thursday. Subscribe to read ...

When you are adding larger numbers, it’s often better to use a written method. Column addition is a good written method to add one number to another. It involves putting the digits of each number into ...

Number bonds are pairs of numbers that add up to a target number. Number bonds to 10 can be described in different ways. You can say '6 and 4 make 10', or '3 and 7 more equal 10', or even that 'double ...

Even if you’ve let your hydration habits slip (or you never glugged a ton of water in the first place), it’s never too late to get back on track and set yourself up to reap the health benefits of ...

Before you start the upgrade, make sure to upgrade to the latest available 3.5.x version. This will make sure that you are building against the most recent dependencies of that line. Please take time ...