Level 2: Sums 9 to 12 Adding and subtracting basic equations by sight is essential to a solid math foundation. Meet the Math Facts 1, 2, and 3 make learning to add and subtract fun and easy! With ...

Re “Dismal student test scores deserve boos, not cheers” (Oct. 17): I taught sixth-grade math for 24 years and found that the biggest impediment to teaching at that level was that so many students had ...

Dr. Gina Kling has served the mathematics education community in a variety of ways throughout her career of more than two decades: as an author and developer of K–3 math curriculum materials, as a ...