Quick easy trick for multiplying even numbers by 5.

# Tag Archives: Multiplication

# Is Dear Aunt Sally “Batty”?

The phrase Please Excuse My Dear Aunt Sally may be cute, but it is also quite misleading. It leads students to think that they always need to do multiplication before division, which is wrong. You do whichever operation comes first as you read the expression from left to right

# 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.

# Memorizing those Times Tables

Yes, there IS a way to help students master the times tables of multiplication facts. This article tells you how you can do it in a fun and playful way.

# Multiplication Trick #1 — Fun with the 5s

MENTAL MATH TRICKS make learning math fun. Use these tricks to help students learn their times tables. This article shows you how to get started with a nifty trick for multiplying numbers by 5.

# 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 ….

# Multiplication Facts

QUESTION: Is there a particular order that is most beneficial to learning times tables? For example, I have heard that learning 1, 5, 10, 11, 2, 4, 8, 12, 3, 6, 9 is a good order. What say you? MY REPLY: There are many “schools of thought” on what makes the best order for teaching […]