For example, to add 47 and 38, one first adds 40 and 30 to get 70 and then 7 and 8 to get 15. The subtotals of 70 and 15 are then summed to get to 85. This method has long-been a short-cut and ...

Learn how to convert inches to feet with an easy formula, reference charts, and real-life examples. Perfect guide for ...

Mental math is definitely what it sounds like—doing math in your head. But it’s also more nuanced than that. Being good at mental math tricks doesn’t mean that you’re able to solve 8974387 ...

Use mental math and estimation strategies (such as rounding) to check how reasonable an answer is. Write equations for these problems with a letter standing for the unknown quantity. Example ...

To learn math ... strategies to solve them. I don’t hear teachers talk about [using different strategies] a lot, and textbooks tend to do a pretty bad job of explaining it. For example, in ...

In addition to the scans, participants completed questionnaires and interviews assessing their mental health status and emotional coping strategies. Memory-based math problems stimulate a region ...

Researchers at Stanford University School of Medicine found that when kids begin processing mental math, the brain reorganizes ... from procedure-based strategies like use of counting to memory ...