Assessing Math Concepts™
Nine interview-based K-3 assessments uncover students' knowledge of key math concepts and help identify students who may need intervention.
A research-based, classroom-tested approach that brings together groundbreaking assessments, trusted books, hands-on student activities, and aligned manipulatives for K-3 instruction, intervention, and core curriculum support.
Professional development is embedded throughout the system.
Interview-based and observational assessment guides instruction.
Differentiated station activities support practice toward mastery.
Each resource works together to identify what students understand, determine the right instructional level, and provide targeted learning experiences.
Nine interview-based K-3 assessments uncover students' knowledge of key math concepts and help identify students who may need intervention.
A web-based tool that captures assessment data, calculates instructional levels, and provides school, district, classroom, and student reports.
Teacher-directed instruction and independent station activities develop counting, number relationships, operations, and place-value understanding.

AMC results link directly to the Developing Number Concepts curriculum, helping educators group students by instructional level and select the next appropriate teaching experiences.
From professional learning to small-group intervention and hands-on stations, the program gives educators practical tools for building lasting number sense.

helping teachers uncover students’ knowledge of essential number concepts, the building blocks of numeracy for young learners.
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Counting, comparing, patterns, addition, subtraction, place value, multiplication, division, and planning support.
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Ready-to-assemble, color-coded learning stations that save teacher prep time and make differentiation easier.
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Comprehensive classroom kits with activity cards, manipulatives, and DNC dice for concrete, engaging learning.
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64 interactive tasks across eight foundational math concepts, aligned to DNC books and designed for focused small-group work.
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offering a variety of courses to provide educators with the tools, strategies and assessments they need to ensure that all students are successful in the study of mathematics.grade Pre-K-5)
Explore Professional DevelopmentExplore the Kathy Richardson assessment and instruction system for core curriculum, supplemental use, or targeted intervention.
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