Add and Subtract Rational Numbers Part 1 [Math Nspired Preview Video]
Elementary / Math / Ratios and Proportions
Find this activity at mathnspired.com. http://education.ti.com/calculators/timathnspired/US/Activities/Detail?sa=1008&t=9448&id=17156
Find this activity at mathnspired.com. http://education.ti.com/calculators/timathnspired/US/Activities/Detail?sa=1008&t=9448&id=17156