## Sixes Number Challenge

Are you ready to take on the Sixes Challenge. You must use exactly four sixes and your choice of arithmetical symbols to form the eight given target numbers. What is the Sixes Challenge? Using exactly four sixes, add arithmetical symbols between the sixes to make each of the target numbers. You may use plus, minus, …

## Fives Challenge Puzzle

Can you solve the Fives Challenge? Can you use exactly four fives and your choice of arithmetical symbols to form the target numbers? What is the Fives Challenge? Using exactly four fives, add arithmetical symbols between the fives to make each of the target numbers. You may use plus, minus, times, and divide symbols, as …

## Fours Challenge Puzzle

Can you solve the Fours Challenge? Can you use exactly four fours and your choice of arithmetical symbols to form the target numbers? What is the Fours Challenge? Using exactly four fours, add arithmetical symbols between the fours to make each of the target numbers. You may use plus, minus, times, and divide symbols, as …

## Twos Challenge

Can you solve the Twos Challenge? Can you use exactly four twos and your choice of arithmetical symbols to form the target numbers? Even though Twosday (2/22/22) was nine months ago, I still have lots of blog traffic to the Twosday Challenge. I decided it was time to share a version of the challenge that …

## Make 30 Puzzles

I’ve been having a lot of fun recently posting these Make 30 Puzzles for my students to tackle on a daily basis. The goal of these Make 30 puzzles is to arrange the digits and any of the arithmetic operations to form an expression that evaluates to 30. For example, the digits 0, 2, and …

## Order of Operations Question Stack Activity

I created this order of operations question stack activity to give my Algebra 1 students extra practice applying the order of operations to some rather involved expressions. These order of operations questions are specially designed to expose students to various grouping symbols including parentheses, brackets, absolute value bars, radicals, and fraction bars. I created a …

## Missing Parentheses – An Order of Operations Activity

I really like this order of operations activity that I am naming “Missing Parentheses.” I found it in the textbook Intermediate Algebra for College Students by Karl J. Smith and Patrick J. Boyle (free to borrow from the Internet Archive’s Online Lending Library). Yesterday, I shared a lovely set of 10 order of operations practice …

## Order of Operations Practice Worksheet

Today I’m sharing an order of operations practice worksheet based on a set of problems I recently ran across in an out-of-print textbook. I’ve been using part of my Spring Break to look through some math textbooks that have been digitized by the Internet Archive and are shared freely through their Online Lending Library. My …

## 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 …

## Chinese Order of Operations Task

I really like this Chinese order of operations task that asks students to determine whether each pair of expressions evaluates to the same value. I think this would make a great introduction or review of order of operations.