Shrinking number patterns
Each pattern subtracts the same amount every time.
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162, 145, 128, 111, … Write the next three numbers and the rule.
Answer: Next three: 94, 77, 60; Rule: Start at 162; subtract 17 each time
224, 200, 176, 152, … Write the next three numbers and the rule.
Answer: Next three: 128, 104, 80; Rule: Start at 224; subtract 24 each time
258, 241, 224, 207, … Write the next three numbers and the rule.
Answer: Next three: 190, 173, 156; Rule: Start at 258; subtract 17 each time
Tip: Each pattern subtracts the same amount every time.
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Curriculum
Common Core: 5.OA.B.3
Print a free worksheet with answers (20 questions).
On paper: this skill is in the printable pack Grade 5 Common Core Math: Patterns and Algebraic Thinking, with an answer key.
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