Math Problem Statement
Solution
This image contains a math test focused on number patterns, object configurations, sequences, and series. Below are solutions and explanations for some selected problems:
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Pattern: 3, 4, 7, 11, 18, 29, ...
- The difference between terms increases: , , , , .
- The next difference should be , so the next term is . Answer: A. 37
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Pattern: 3, 5, 8, 12, ...
- The differences are , , .
- The next difference is , so the next term is . Answer: D. 17
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Pattern: 1, 3, 6, 10, ... (triangular numbers)
- This is a sequence of triangular numbers, where each term is the sum of the natural numbers up to a point.
- The next triangular number after 10 is . Answer: C. 35
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Pattern: 8, 13, 21, ... (Fibonacci sequence)
- Fibonacci sequence rule: . Here, .
- The next term is . Answer: B. 34
Would you like me to go through more questions or focus on specific ones? Here are five related questions you could explore:
- How do triangular numbers work, and can they be generalized?
- What are the properties of Fibonacci numbers, and where do they appear in nature?
- How do we derive formulas for arithmetic or geometric sequences?
- Can you explain how to solve pattern recognition problems in math tests?
- What are common tricks for recognizing number patterns?
Tip: When solving number patterns, always look at the differences between terms or ratios to find a rule.
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Math Problem Analysis
Mathematical Concepts
Number Sequences
Arithmetic Progression
Fibonacci Sequence
Modulo Operations
Pattern Recognition
Formulas
Fibonacci formula: F(n) = F(n-1) + F(n-2)
Arithmetic progression formula: a_n = a_1 + (n-1) * d
Sum of natural numbers: T_n = n(n + 1)/2
Theorems
Triangular Number Theorem
Modulo Arithmetic in Pattern Cycles
Suitable Grade Level
Grades 6-8
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