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Identifying Outliers Worksheet | Printable Grade 6 Math
Mastering Data Analysis: An Essential Outlier Worksheet
This worksheet offers focused practice for Grade 6 students on the essential statistical skill of identifying outliers. Through a series of clear data sets, learners will develop their ability to spot numbers that fall significantly outside the overall pattern, a key step in data interpretation and analysis.
At a Glance
- Grade: 6 · Subject: Math
- Standard:
CCSS.MATH.CONTENT.6.SP.B.5.C— Summarize numerical data sets by describing striking deviations.- Skill Focus: Identifying Outliers
- Format: 4 pages · 12 problems · Answer key included · PDF
- Best For: Independent practice, homework, formative assessment
- Time: 15–25 minutes
What's Inside
This resource contains a two-page worksheet with 12 distinct problems focused on identifying outliers. Each problem presents a small data set for analysis. A comprehensive two-page answer key is also included, showing the correct outlier for each problem, making self-correction or teacher grading efficient. The document is provided as a downloadable PDF.
A Progression to Skill Mastery
This worksheet follows a gradual release model, moving students from straightforward examples to more challenging applications. The structure is designed to build confidence and ensure students internalize the process of data analysis.
- Guided Practice: The first page (problems 1-6) presents simple, ordered data sets to introduce the concept of outliers in a clear context. The smaller range in these initial problems makes the outlier more obvious.
- Supported Practice: As students work through the first page, they gain confidence in applying the strategy of scanning for a number that doesn't fit the group.
- Independent Practice: The second page (problems 7-12) features slightly more complex and unordered data sets, requiring students to apply their understanding independently to identify the number that deviates from the rest.
Standards Alignment
This worksheet directly aligns with Common Core State Standard CCSS.MATH.CONTENT.6.SP.B.5.C. It enables students to summarize numerical data sets by describing striking deviations, making the practice targeted and meaningful for middle school math. Standard codes can be copied for lesson plans, IEP goals, or curriculum mapping.
How to Use It
This worksheet is ideal for independent practice after a direct instruction lesson on measures of center and variability. It can serve as a homework assignment to reinforce the concept of outliers or as a station activity. For formative assessment, observe which students can quickly identify the outlier and which need to re-examine the data set, providing insight into their number sense. Most students will complete the worksheet in 15–25 minutes.
Who It's For
This resource is designed for 6th-grade math students but is also suitable for 7th graders needing a review or for advanced 5th graders. The clear, uncluttered format makes it accessible for diverse learners, including students in inclusion settings. It pairs well with an anchor chart defining "outlier" and showing a visual example on a number line or dot plot.
Developing statistical literacy, particularly identifying outliers (CCSS.MATH.CONTENT.6.SP.B.5.C), is foundational for interpreting real-world data. This worksheet fosters procedural fluency and critical thinking through concrete examples, helping students evaluate statistical claims across academic disciplines and daily life. It provides targeted practice to establish this crucial competence.
