Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

Helena Osana received funding from the Social Sciences and Humanities Research Council of Canada for this research. Jairo A. Navarrete-Ulloa receives funding from the National Agency for Research and ...

How to conditionally count the number of times any value occurs in Excel Your email has been sent Specifying the conditional count of a value sounds like a daunting task, but two Excel functions make ...

How to count individual cells within a row by their fill color in Excel Your email has been sent The article How to easily sum values by a cell’s background color in Excel shows you an easy way to ...