Students in Melissa Williams' kindergarten class at the Westminster School in Atlanta, Georgia, practice connecting quantities to written numbers — a key part of number sense. Credit: Holly Korbey for ...

a fun game to play and work on a puzzle around true or false. These two lessons continue to work with numbers, give you a fun game to play and work on a puzzle around true or false. These two lessons ...

In Microsoft Excel, the SIGN number is a math and trigonometry function that returns the sign of a number. The SIGN function returns 1 if the number is positive, zero if the number is 0, and -1 if the ...

Time to test your brain! Are you a puzzle person? Most of these hard math problems aren’t straightforward arithmetic. They challenge you to look at problems a different way, testing your logic and ...