Grade 8 Sample Gifted Questions: Number Series

Posted on February 22, 2026
Cogat number series Grade 8

When students prepare for gifted assessments at the Grade 8 level, they quickly discover that Number Series questions demand more than quick calculation—they require strategic thinking and deliberate pattern analysis. These questions are designed to separate students who can spot surface-level trends from those who can decode multi-layered mathematical relationships. 

What makes Grade 8 number series questions challenging at this stage isn't the complexity of the math itself, but rather the cognitive leap required to see how numbers relate to one another across a sequence. A student might notice that numbers are increasing, but the real question is: are they increasing by addition, multiplication, squaring—or some combination of these operations? 

Working through Grade 8 sample gifted questions on Number Series gives students a realistic preview of what to expect. These practice questions are structured to match the format, difficulty, and reasoning demands of actual assessments—meaning the skills developed during preparation transfer directly to test performance. 

For more Grade 8 Number Series practice questions, click here. 

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Q1.

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Q2.

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Q3.

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Q4.

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Q5.

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Q6.

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Q7.

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Q8.

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Q9.

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Q10.

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For detailed explanations and solving strategies, click here.

The Gifted Prep App offers a full library of Number Series questions tailored for Grade 8 students, organized by pattern complexity and question difficulty. Each question comes with a step-by-step breakdown that teaches the thinking process behind the solution—not just the answer. This approach builds the kind of deep understanding that leads to consistent success on test day.