ISEE Middle Level Quantitative Reasoning Flashcards: Pattern Rules

Study Pattern Rules in ISEE Middle Level Quantitative Reasoning with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the rule for the sequence $\frac{1}{2}, 1, 2, 4, \dots$ in terms of $n$ ?

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ANSWER

$a_n = \frac{1}{2}\cdot 2^{n-1}$ . The geometric sequence begins with $\frac{1}{2}$ and has a common ratio of 2, forming the explicit rule.

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ISEE Middle Level Quantitative Reasoning: Patterns and Functions

Function Rules and Output23 cards

Missing Sequence Terms21 cards

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What this deck covers

This deck focuses on Pattern Rules, giving you a quick way to review the definitions, rules, and examples that matter most for ISEE Middle Level Quantitative Reasoning.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 19Practice questions for this set

Each day, a scientist observes that a certain bacterial culture consumes one-third of the nutrients in its petri dish. If the dish started with a full supply of nutrients on Monday morning, what fraction of the original nutrients will remain at the start of business on Thursday morning?

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