## Patterns

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#### Study Guide Patterns Mathematics, Grade 5

PATTERNS How to Determine a Number Pattern: How to find a missing number in a sequence Determine if the order of numbers is ascending (getting larger in value) or descending (becoming smaller in value). Find the difference between numbers that are next to each other. Use the difference between numbers to find the missing number. Example: Find the missing number: 30, 23, _?_ , 9 The order of numbers is going down or descending. The difference between numbers is 30 - 23 = 7 Since the order is descending subtract 7 from 23. The missing number may be 16. The missing number is 16 since it is 7 more than the last number 9. Try this! Find the missing number: 40, 32, 24, ____, 8 Find the missing number: 72, 63, 67, 58, ____, 53 © Copyright NewPath Learning. All Rights Reserved. Permission is granted for the purchaser to print copies for non-commercial educational purposes only. Visit us at www.NewPathLearning.com.