Tag: math
Math Instruction
Posted by TNCS on Apr 15, 2016
“When you add a positive number and a negative number together, why is the answer sometimes positive and sometimes negative?” Ask this question of several TNCS math students, and you’re…
Posted by TNCS on Apr 15, 2016
“When you add a positive number and a negative number together, why is the answer sometimes positive and sometimes negative?” Ask this question of several TNCS math students, and you’re…