## 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 …

## 3-1-4 Pi Day Number Challenge

This 3-1-4 Number Challenge is the perfect way to challenge your brain on Pi Day! How many different numbers can you come up with mathematical expressions for using only the digits 3, 1, and 4? Instructions Use the digits 3, 1, and 4 exactly one time each along with any mathematical symbol or operation of …

## 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 …

## 2023 Challenge: Yearly Number Challenge

The yearly number challenge is a simple to explain puzzle that will keep you captivated for hours. Using the digits in the current year exactly one time each, can you write a mathematical expression for each digit between 1 and 100? You may use any mathematical symbol or operation of your choosing. What is the …

## Threes Challenge

Can you solve the Threes Challenge? Can you use exactly four threes and your choice of arithmetical symbols to form the target numbers? What is the Threes Challenge? Using exactly four threes, add arithmetical symbols between the threes 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 …

## Twosday Challenge Activity

This Twosday Challenge is the perfect way to infuse a bit of mathematical fun on an upcoming mathematical holiday – Twosday! What is Twosday? Twosday is the name being given to Tuesday, February 22, 2022 since the date will be written as 2/22/22 in the US and 22/2/22 in much of the rest of the …

## 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 …

## Simple Sums Puzzle

Check out this simple sums puzzle if you are looking for a fun opening activity or a brain break. Insert any of the following signs (add, subtract, multiply, divide, or parentheses) between any numbers on the left of the equations to make them correct. You may join numbers on the left together if you wish: …