Reflection: Continuous Assessment Evaluate expressions using substitution (Day 1 of 2) - Section 2: Play of the Day


                I cannot emphasize this point enough.  To learn something well, and deep, and to retain it over time, requires doing it over and over again.  I have yet to meet a teacher who has had amazing results consistently over time not be a master of spiraled review.  You cannot assume that if a student demonstrates mastery on a topic on one day, that s/he will retain mastery of that on some future day.  No basketball player worth his or her salt makes a three-pointer once and then walks away and says, “I have mastered shooting three-pointers.”  Every great shooter launches hundreds of three-pointers a day in the off-season, and has precise pre-game workouts.  Ray Allen, considered by some the greatest three-point shooter in history (not just volume, or percentage, but clutch too), has a pre-game routine that has him taking 200 shots three hours before tip-off – and he makes 170 on an average day.  They do this to make the skill muscle memory – able to be called upon without thinking.  Muscle memory allows him to make shots in the game under pressure, with a defender’s hand in his face, with fans screaming to distract him.  Muscle memory allows him to preserve his cognitive firepower for considering things like analyzing defenses, understanding the shot and game clocks, determining whether his shot is the best for his team at any given moment.

                In math class, I want kids to not just learn things, but to master them.  So I ensure that they get a ton of at-bats with any topic.  It’s introduced one day, reviewed the next, stretched in the future, reviewed again in the future, pops up in another lesson… it’s everywhere.  The best math curricula spiral topics in multiple ways – on HW, in warm-up questions, in dedicated spiraled review sessions (mine are called “Muscle Memory” J).  By seeing concepts multiple times, kids are able to not only retain the concept much better, but be better positioned to go deeper and more advanced; to use their cognitive firepower on higher-order thinking skills once the foundational concepts are muscle memory.


  Spiraled review - the unsung hero of a great math teacher's results
  Continuous Assessment: Spiraled review - the unsung hero of a great math teacher's results
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Evaluate expressions using substitution (Day 1 of 2)

Lesson 7 of 9

Objective: SWBAT evaluate expressions using substitution, with special attention given to integers.

Big Idea: SUB! Get kids to pay attention to negative signs (Spider-Sense) as they evaluate expressions using substitution.

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7 teachers like this lesson
Math, Properties (Number Sense), Algebra, Numbers and Operations, properties of algebra, simplifying expressions
  75 minutes
1 7 bl image spider sense
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