## Valentine’s Jamboard Activity

Last month, I tried out a Valentine’s Jamboard Activity with all of my classes to help show appreciation to the various teachers/school employees in our building. We did this on a Friday after a week of being digital due to the ice/snowpocalypse. I thought it would be a nice change of pace from our daily …

## Factoring Puzzle for Quadratic Trinomials

I’ve been a fan of this factoring puzzle for factoring quadratic trinomials since I worked through it at a Common Core workshop I attended (OGAP) in the summer of 2013. Over the last couple of days, I have been going back through these resources that I originally blogged about and giving each resource its own …

## Sum to Twenty-One Puzzle

Today I’m sharing the Sum to Twenty-One Puzzle with you. Previously, I have shared similar puzzles called Sum to Twenty and Sum to Thirty. These puzzles are the creation of Marcy Cook. They were shared in THINK ABOUT IT! Mathematics Problems of the Day which was published by Creative Publications in 1982. The book is …

## 9-10-11-12 Challenge

The 9-10-11-12 Challenge is actually four puzzles in one. Can you arrange the numbers 1 through 6 in the spaces of the triangular shape below so that each side sums to 9? Repeat the challenge for sums of 10, 11, and 12. I learned of this challenge from a collection of brainteasers that is no …

## Tic Tac Toe Challenge

Everyone knows how to play tic-tac-toe. But can you solve the tic tac toe challenge puzzle? This fun brain teaser is simple to explain, but it can be hard to solve!

## Plus Times Puzzles

I first ran across Erich Friedman’s Plus Times Puzzles back in 2019. I have featured several of Erich’s puzzles on my blog before including Arrows Puzzle, Ducks and Snakes Puzzle, Equation Rotation Puzzle, Connect the Dots, and Hidden Equation. I was super excited when I discovered that he has an entire page of puzzles online …

## Three Numbers Puzzle

This Three Numbers Puzzle comes from THINK ABOUT IT! Mathematics Problems of the Day by Marcy Cook. Previously, I have shared the Sum to Twenty Puzzle and the Sum to Thirty Puzzle from this same book. In the three numbers puzzle, it is your task to use the numbers 0-9 once each (you will have …

## Up to Specs Puzzle

I’m back today with a free download of a new puzzle called Up to Specs. The Up to Specs Puzzle is found in Test Your Math IQ by Steve Ryan. I was able to borrow the book for free from the Internet Archive’s online lending library. I highly recommend this site for checking out various …

## Tic Tac Total Puzzle

I’m back today with a new puzzle, Tic Tac Total. This puzzle, unlike the Pair Ups Puzzle I shared recently, can easily be applied to the distance learning classroom. It’s from the same excellent book Test Your Math IQ by Steve Ryan. I was able to borrow the book for free from the Internet Archive’s …

## Nine Squares Puzzle

Today I’m sharing a puzzle I’m calling Nine Squares Puzzle. A few days ago, Shelli tweeted about needing more puzzles for next year since her advisory students will have already seen the ones she has used previously. This reminded me that I too will have this problem because my Pre-Calc classes will be made almost …