Starting off the School Year with Opportunities for All: Supporting First Graders' Development of Number Sense
Joy Whitenack, Nancy Knipping, Jenine Loesing, Ok-Kyeong Kim, Abby Beetsma
September 2002, Volume 9, Issue 1, Page 26
How one first-grade teacher facilitated opportunities for her students to develop number sense.
Estimation / Approximation / Number Sense