Archive for October 9th, 2012

Another Energizer for Number Flexibility

Posted on October 9, 2012. Filed under: Assessment, Common Core, Elementary math, Mathematical Proficiency | Tags: , , , , , , , , |

This energizer is called Rule of the Day.  The teacher states a rule like:


Doubles Plus 1

Half Facts

Ten More

Ten Less


Then the game begins.  The teacher says a number and the students have to answer following the rule.  For example, if the teacher said, the rule is “Half Facts” the starter number is 20 then students would say 10, 5, 2.5 depending on the grade level.  If the prompt is doubling and the starter number was 50 the students would say 100,200,400 etc.

This can be a fun, energetic, academically rigorous game that gets students very flexible with math facts.  Look at your standards and pick your rules based on what the students need to know!

*See ThinkMath for more on this energizer!

Happy Mathing,

Dr. Nicki

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