The following post comes from Rafael Quintanilla, a Mathematics Instructional Coach for the Los Angeles Unified School District and a … More
Category: double number line
So, what’s the story?
This number string attempts to do something a little different — it begins with the model (instead of the problem), … More
a series of sorting fractions number strings
Sorting Fractions, money, percentages or decimals Which would you rather have? 45/100 or ½ ¾ or 8/10 8/20 or 2/5 … More
Fractions as operators on money (Early fractions)
Fractions as operators, Money What is ½ of $1.00? What is 1/4 of $1.00? What is 2/4 of $1.00? What … More
Halving with early fractions
Minilesson: Halving (Rachel Lambert) What is ½ of 1? What is ½ of ½? What is ½ of 1/4? What … More
Number Strings 