Column addition is a way of adding numbers together. It's helpful when you're adding two-digit or three-digit numbers together. When you do column addition, you lay out the numbers you are adding ...

Join Mrs. McCartney for a comparison word problem with her friend Professor Barble. Join Mrs. McCartney for a comparison word problem with her friend Professor Barble. Next, get ready to order 3-digit ...

(CNN) -- The Federal Communications Commission is moving ahead with plans to designate a three-digit number to reach the National Suicide Prevention Hotline: 988. The five-member commission ...

PHILADELPHIA (CBS) – You know 911 for emergencies, 411 for information and now there's 988 for people who need emergency help with their mental health. The system was launched in Philadelphia. Local, ...

As surely as 2+2=4, it also equals a beginning step on students’ mathematics journey. Single-digit addition facts like these are so heavily used in mathematics that it’s critical that students ...