It has finally happened … students have taken the new PSAT. I know because Singing Turtle Tutoring (the tutoring company that my wife and I run) prepares students for this test, and over the last two weeks I’ve been helping many get ready for the new PSAT’s math section. My big word of advice for many students: learn […]

# Archive | Multiplication Tricks

# Multiplication Trick — Multiplying by 5

Quick easy trick for multiplying even numbers by 5.

# Times Tables, Learning the Threes

Learning times tables can seem like drudgery. But here’s a fun, rhythmic game approach to learning the threes. Try it and see if you don’t have success.

# Multiplication Trick: x 25

How to quickly multiply by 25. This is a fun math trick that anyone can learn in 5 minutes or less.

# Multiplication Trick #5 — Multiply Two-Digit Numbers by 11

There’s a quick and easy trick for multiplying two-digit numbers by 11. Dazzle your friends, amaze your family, begin your career in show-biz … o.k., maybe not show-biz, but still this is a pretty cool trick. Check it out!

# Multiplication Trick #2 — Multiply by 15 FAST!

Here’s a great trick that helps you quickly multiply by 15. It’s handy for many real life situations, such as when you need to calculate a 15% tip at a restaurant. It involves nothing more than simple math. Try it, and then watch as your friends and family gaze in amazement.

# Multiplication Trick #4: Multiplying Teen Numbers

Believe it or not, THERE IS a quick way to multiply two numbers together when both numbers are “teen” numbers. In other words, you can do a problem like 14 x 18 fast and just in your head. Here’s how ….