Georgia 6.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 notice when the same calculation or reasoning step repeats. They use that repetition to form a shortcut or general rule, then check that it works.
What Mastery Looks Like
- A student identifies repeated steps in a table, diagram, sequence, or calculation and states a general rule in words or symbols. The student tests the rule with a new case and explains why it works.
Common Misconceptions
- Students may claim a rule after checking only one or two cases. They may spot a number pattern but not connect it to the repeated calculation that produces it.
How to Assess It
- Exit ticket: For 1, 2, 3, and 4 unit squares joined in a row, find each perimeter, describe what repeats, and write a rule for n squares.
Lesson moves
Ways to Teach It
Build rows of linking cubes, record the exposed faces for each row length, and use the repeated change to write a rule.
After solving three unit-rate problems, write: What calculation repeated, and how could one rule replace it?
Play Rule Detective: pairs draw a table card, name the repeated change, write a rule, and test it on a hidden input.
Model a bike rental costing $8 plus $3 per hour, list several totals, and use the repeated calculation to write a rule.
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