Mr. L’s Math

Mathematics for Teachers and Mr. Lombard’s Students

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Entries from July 2008

Digit Puzzles–Using Number Sense Strategies to Foster Algebraic Thinking for All Students

June 1st, 2008 · No Comments

The June 2008 issue of the California Math Council ComMuniCator journal has posed the following problem in the student problem section:
“Use each of the numbers 3, 4, 5, 6, and 7, and any operations to express as many counting numbers as possible, beginning with 1.  All five of the numbers must be used in each [...]

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Tags: Math Activity

Number Patterns-Finding Numbers Whose Sum Equals Their Product

June 1st, 2008 · 2 Comments

The June 2008 issue of the California Math Council ComMuniCator has posed the following problem in the student problem section:
“What four positive integers have a sum that is equal to their product?  Meaning: a+b+c+d = a•b•c•d.” And if you can find a, b, c, d, then see if you can find five such positive integers.
This [...]

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Tags: Math Activity