Conquer the SAT Calculator-Free Math Section

"High schoolers often reach for calculators when working on simple math problems like arithmetic. While calculators certainly provide ease in computation, they are not always available to students.

Now that the revised SAT math section is divided into calculator and no-calculator portions, high schoolers need to strengthen their calculator-free math skills. Here are three techniques to help you tackle math questions without electronic support." …

https://www.usnews.com/education/blogs/college-admissions-playbook/articles/2017-11-06/conquer-the-sat-calculator-free-math-section