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Explainable Patterns: Select a Valid Rule
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Grade Level
Grade 3
3.60 Explainable Patterns: Select a Valid Rule
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A sunny baker records steps on a hike. Pattern: 2, 12, 9, 18, 16, 24 Which choice gives the right rule and a number (or pair) that belongs?
A
Rule: Add 7 every time; Example: 31
B
Rule: Odd positions add 7; even positions add 6; Example: 23
C
Rule: Odd positions add 7; even positions add 6; Example: 29
D
Rule: Odd positions add 6; even positions add 7; Example: 30
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