A performer asks for certain sums and deduces your landline number with some quick mental arithmetic. How is it done?

The FCC is moving forward with a plan to make 988 the dialing number. The Federal Communications Commission is moving forward with a plan to create a new three-digit hotline number, similar to 911, to ...

The Federal Communications Commission is proposing to launch a new three-digit hotline for people who are feeling suicidal or are going through any other mental health crisis. It recommends making 988 ...

Build, read, write, and represent three-digit numbers using base-10 blocks and symbols. Build, read, write (in standard and expanded form), and represent three-digit numbers using base-10 blocks and ...

In two years, individuals in suicidal crisis seeking help will have a number that’s easy to remember and quick to dial to reach the National Suicide Prevention Lifeline. At its July open meeting ...

A popular puzzle on Instagram has caught the attention of social media users. It involves a three-digit number lock with five clues to unlock it. Users have 10 minutes to decipher the code using the ...