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Get fast facts about NSS at a glance


Related titles:

Number Sense and Number Nonsense: Understanding the Challenges of Learning Math

Understanding RTI in Mathematics: Proven Methods and Applications

Blocks and Beyond: Strengthening Early Math and Science Skills through Spatial Learning

Cowboys Count, Monkeys Measure, and Princesses Problem Solve: Building Early Math Skills Through Storybooks

Teaching Mathematics in Early Childhood

Teaching Mathematics Meaningfullly: Solutions for Reaching Struggling Learners

Why Is Math So Hard for Some Children? The Nature and Origins of Mathematical Learning Difficulties and Disabilities






Catch math struggles early with this quick, reliable screener

Number Sense Screener (NSS) K-1, Research Edition coversNew!
Number Sense Screener™ (NSS™) K–1, Research Edition
By Nancy C. Jordan, Ed.D., & Joseph J. Glutting, Ph.D., with Nancy Dyson, Ph.D.



"An indispensable, teacher-friendly tool for ensuring that all students shoot out of the starting gate when they get to first-grade math."—Nancy Krasa, Ph.D., co-author, Number Sense and Number Nonsense: Understanding the Challenges of Learning Math

"Draws upon [Nancy Jordan's pioneering] research to produce a valuable measure that can be used to identify children in need of help and to plan sound interventions for them."—Herbert P. Ginsburg, Ph.D., Teachers College, Columbia University

"A much needed, scientifically grounded instrument for the assessment of early numerical abilities. The test represents a significant and welcomed advance in our ability to identify early risk for long-term difficulties in learning mathematics."—David C. Geary, Ph.D., University of Missouri



Number sense is a key indicator of future math success. Now there's a quick, reliable, and affordable way to screen early numerical competencies in Grades K–1 and identify students at risk for later math struggles.

Developed by Nancy Jordan—a leading expert on children's math difficulties—and quantitative psychologist Joseph Glutting, the research-based NSS™ screens children on six key competencies related to number sense (see box). Easy to complete in just 15 to 20 minutes per child with no training required, NSS gives educators and school psychologists the information they need to

  • Catch at-risk students early. NSS pinpoints young children who may be at risk for learning difficulties in math, before their struggles with math intensify.

  • Predict later achievement. NSS predicts mathematic achievement through at least third grade, so it's easy to see where young learners need additional support to avoid falling behind.

  • Start planning effective interventions. Results of NSS give educators clear information they can use to target their math interventions and meet each student's learning needs.

  • Monitor progress. NSS can be conducted several times in kindergarten and in the beginning of first grade, so educators can track students' progress and identify areas in which students need more support.

  • Meet national and state standards. The areas assessed on the NSS are aligned with the Common Core State Standards in Kindergarten and the National Council of Teachers of Mathematics Standards and Focal Points.

The complete NSS includes a User's Guide with clear and specific instructions, a Stimulus Book with all the visual stimuli needed to administer the items, an explicit Quick Script users can follow for accurate administration, and a pack of 25 Record Sheets to record student responses.

An easy and accurate screener for emerging math difficulties, NSS will help schools identify at-risk students so intervention can start early and young children have the best chance for future math success.

Screen six key numerical competencies:
  • Counting

  • Number Recognition

  • Number Comparison

  • Nonverbal Calculation

  • Story Problems

  • Number Combinations




Ordering Information

NSS™ Set, K–1, Research Edition
Each set includes one Users's Guide, one Stimulus Book, one Quick Script, and one pack of 25 Record Sheets
ISBN 978-1-59857-226-1 / 2012 / approx. 140 pages / 8.5 x 11 / Stock #72261 / $89.95

Also available separately
NSS™ User's Guide, K–1, Research Edition
NSS User's Guide, K-1, Research Edition ISBN 978-1-59857-202-5 / 2012 / 72 pages/ 8.5 x 11 / Stock #72025 / $35.00
NSS™ Stimulus Book, K–1, Research Edition
NSS User's Guide, K-1, Research EditionspacerISBN 978-1-59857-201-8 / 2012 / 72 pages/ 11 x 8.5 / Spiral-bound / Stock #72018 / $35.00
NSS™ Quick Script, K–1, Research Edition (package of 5)
ISBN 978-1-59857-239-1 / 2012 / 10 pages / 8.5 x 11 / Stock #72391 / $25.00
NSS™ Record Sheets, K–1, Research Edition (package of 25)
ISBN 978-1-59857-200-1 / 2012 / 50 pages / 8.5 x 11 / gummed tablet / Stock #72001 / $30.00


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