Children explore concepts of capacity and height measurement through sand play in nursery class.
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Exploring Young Children’s Math Thinking in Sandcastle Building
Hannah Tan and Cynthia Lim
Puddle Play!
Deanna Pecaski McLennan
Asked & Answered
Each month Asked & Answered highlights selected threads from the MyNCTM community. MyNCTM is an online community where NCTM members can ask questions, start and join discussions, and interact with education experts. We encourage you to join the conversation at https://my.nctm.org.
Supporting Probability Understanding through Area Models
LouAnn H. Lovin
Moving beyond memorization of probability rules, the area model can be useful in making some significant ideas in probability more apparent to students. In particular, area models can help students understand when and why they multiply probabilities and when and why they add probabilities.
Asked & Answered
The Asked & Answered department shares excerpts from discussion threads on the online MyNCTM community. In this issue, featured threads highlight responses to members' questions related to mathematical depth in preschool, spiral review in the upper elementary grades, ideas for differentiation in middle school, and projects for high school algebra.
Noticing before Responding
Julie M. Amador, David Glassmeyer, and Aaron Brakoniecki
This article provides a framework for integrating professional noticing into teachers' practice as a means to support instructional decisions. An illustrative example is included based on actual use with secondary students.
Asked & Answered
The Asked & Answered department shares excerpts from discussion threads on the online MyNCTM community. In this issue, featured threads highlight responses to members' questions regarding 1st grade number sense, multiplication and division of fractions, issues of definition and precision related to circles, and the value of rationalizing denominators.
A Better Tomorrow through Math
Christie Henderson
Math is so much more than numbers.
Danger! Animals in the Mathematics Classroom
Stefanie D. Livers, Kristin E. Harbour, and Lindsey Fowler
In our attempts to make a concept easier, we may hinder student learning.
Decomposing Rectangles
Annie Perkins and Christy Pettis
Students are given a problem to break down rectangles.
