The Number Strips Puzzle asks: Can you rearrange the order of the seven strips so that each row contains a correct mathematical statement? Note that the strips containing operators can be inverted if necessary. I found this number strips puzzle in Ivan Moscovich’s The Big Book of Brain Games. This book weighs several pounds and …
Equation Puzzles
Here’s a third hidden equation puzzle from Erich Friedman. Circle one symbol in each column so that a true equation results reading from left to right. I love to use these hidden equation puzzles with dry erase pockets in my classroom. If you don’t have a classroom set of dry erase pockets, you could also …
It’s been almost two years since I last shared a hidden equation puzzle with you. These hidden equation puzzles are the product of Erich Friedman, a math professor and prolific puzzle creator. You can read more about Hidden Equation Puzzle 1 here. I was introduced to these hidden equation puzzles through Puzzle Box, Volume 2. …
This equation puzzle has been sitting in folder of puzzles to print/share since 2018. I’ve decided to make “FINISH” my 2021 word of the year. It may still be 2020, but I’m determined to get a jumpstart on finishing off this list of things I’ve meant to blog about for ages. In this equation puzzle, …
This Equation Rotation Puzzle post has been in the works for quite a long time. I ran across this puzzle several years ago in Puzzle Box Volume 2, one of three amazing volumes of puzzles put together by the Grabarchuk family. I can’t say enough good things about these books. If you take a look …
This school week was super-short due to the Oklahoma Teacher Walk-Out, but I still managed to put out a new puzzle on the puzzle table. The goal of the hidden equation puzzle is to circle one symbol from each column so that a true mathematical statement results. I placed the puzzle in a dry erase …