Efficient Thinking The Mental Math Rule That Prevents Repeated Work
Learn how to solve mental math problems with less repeated work. Discover how doubling, halving, and reusing known results can make calculations faster and easier.
2026-11
Efficient Thinking 
Efficient Thinking I Usually Start With Something I Already Know
Discover how starting with familiar numbers, fractions, powers, and patterns can make SAT Math problems easier. Learn to use what you already know to simplify calculations and reduce mental effort.
Uncategorized Fast Math Doesn’t Mean Ignoring Details
I noticed something interesting while working through SAT-style math problems recently.
People often assume that fas...
Efficient Thinking Some Numbers Already Come With Instructions
Discover how familiar numbers can reveal shortcuts in SAT Math. Learn to recognize useful patterns in percentages, square roots, ratios, powers, and multiplication to solve problems with less effort.
Efficient Thinking I Use What I Notice First
Discover why solving SAT Math faster isn't always about finding the best method. Learn how recognizing the first useful pattern can simplify calculations and reduce unnecessary thinking.