Georgia 4.MP.8
The Standard
Look for and express regularity in repeated reasoning.
Georgia's K-12 Mathematics Standards · Display perseverance and patience in problem-solving. Demonstrate skills and strategies needed to succeed in mathematics, including critical thinking, reasoning, and effective collaboration and expression. Seek help and apply feedback. Set and monitor goals.
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students examine repeated calculations and notice what stays the same or changes each time. They describe a general rule and use it to work more efficiently.
What Mastery Looks Like
- Students identify what repeats across several calculations and state a clear rule. They use that rule to solve a new case, then check that it works.
Common Misconceptions
- Students may notice that answers change but not explain how they change. They may claim a rule from one or two examples, or assume a pattern continues without checking it.
How to Assess It
- Give the sequence 7, 12, 17, 22. Ask students to write the next two terms, state the rule, and explain how they checked it.
Lesson moves
Ways to Teach It
Build growing square arrays with tiles, record each total, and describe what changes from one array to the next.
Ask students to explain in writing why multiplying any whole number by 10 always produces a number ending in zero.
Play Rule Detective, where partners generate number sequences and earn points by naming and testing each hidden rule.
Compare prices for multiple identical items, then write a rule that finds the total cost for any number of items.
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Printable 4.MP.8 Worksheet
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