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aMath is a computer-adaptive test (CAT) of broad mathematics skills for students in grades K through 12.
aMath items are based on the recommendations of the National Math Panel (2008) and National Common Core Standards (CCSS; 2010). aMath is designed to identify those students with deficits in math achievement in need of additional instruction and predict performance on state accountability measures. During each aMath administration, students complete 30 questions. Item difficulty is determined by a student’s performance on prior items.
Math Skills Measured by aMath
aMath items are based on the CCSS standards and include the following domains:
- Counting and Cardinality
- Operations and Algebraic Thinking
- Number and Operations in Base Ten
- Number and Operations -- Fractions
- Measurement and Data
- Ratios and Proportional Relationships
- The Number System
- Expressions and Equations
- Statistics and Probability
More information about the CCSS for mathematics and its development can be found on the Common Core State Standards website.
The representation of the CCSS domains differs by grade. That is, one domain may be overrepresented in one grade and underrepresented in another. In some cases, such as the Counting and Cardinality domain, standards from a particular domain are only present in one grade. Here is a depiction of aMath item distribution for grades K through five.
Uses and Applications
aMath is a screening assessment and FastBridge recommends using it three times a year to screen all students’ mathematics skills. The range of scores possible for aMath is between 145-275.
Score Interpretation Guide
There is an aMath score interpretation guide that teachers can use to understand aMath scores and to review and modify math instruction. It is attached to this article.