jeff

Posts byjeff

Math Puzzle - Coin Change for a $1

Can You Make Change for $1–in 10 Different Ways?

Can you make 1 coin equal $1? Can you make 2 coins equal $1? 3 coins?  4?  Etc. up to 10 coins equaling $1? 


Magic Puzzle - Amoebas Multiplying

Amazing Amoebas

Amoebas are small organisms that reproduce rapidly.  They double every minute.  In 1 hour they filled half a bottle.  How long will it take to fill the whole bottle? 


math magic 1710 word puzzle

Can you summon your detective skills to solve this one?


Magic Puzzle - Never Seen Before or Again

Never Seen Before, and Never Seen Again

Claim that you can show someone something that no one in the world has ever seen before.  And after they see it, no one will ever see it again!  What is it that you show them?


Magic Puzzle - Make 100 with Four 9s

Sept is the 9th Month. Can You Make 100 with Four 9’s?

You can combine the 9’s however you wish, and use whatever arithmetic symbols you’d like–+, -, x, /.  Any ideas?


Learn Magic - Coin-Pen Vanish

Learn Magic: Coin-Pen Vanish

It’s back to school time. Here is a trick with a pencil and a coin with which to amaze your friends! Wand to learn to perform this? Would you like to learn more magic? We may be offering an after school magic class at your school! Call or email us to find out.  314-961-6912.  If not, let’s see if we can get one started.


Magic Puzzle - An Unusual Word

An Unusual Word

Back to school time is coming, so how about a quick word puzzle?  Can you think of a word with 3 u’s in it? 


math magic 1707 word puzzle

Have you a clue what this word puzzle is saying?


puzzler: unusual sentences

What is Unusual about these 3 Sentences?

It’s back to school time, so here is an interesting literacy puzzler.  What is unusual about these 3 sentences?  Do you know what they are called? Both fickle dwarves jinx my pig quiz. Quick fox jumps nightly above wizard. Five quacking zephyrs jolt my wax bed.


Math Puzzle - Arrange Five Six's

Can You Arrange Five 6’s so They Equal 19?

You can put the 6’s together however you’d like.  And you can use whatever arithmetic symbols you want:  +, -, x, or /.  Tough one, eh?