 Directions: Use the digits 1-9, at most once, to complete the equation. What is the greatest result you can make? What is the least result you can make? Source: Molly Rawding

## Order Numbers

Directions: Using the digits 0 through 9 at most one time each, place a digit in each box to make a two-digit number that has a value between given numbers. Source: Thach-Thao Phan

## Window Sum

Directions: Using the digits 0-9, no more than once, complete the puzzle so that the sum of each side is equivalent. Source: Joshua Nelson and Renee Owen

## Open Number Line

Directions: Use the digits 1 to 9, at most one time each, place a digit in each box on the number line to make the number line true. Source: Amanda Dey

## Domino Window

Directions: Use four of these dominoes to form a square with the same number of dots on each side. Source: Joshua Nelson

## Domino Window 1

Directions: Use four of these dominoes to form a square with the same number of dots on each side. Source: Joshua Nelson

Directions: Using the digits 1 to 9, at most one time each, make a true statement. Source: Owen Kaplinsky

## Make it Equal

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to create a true statement. Source: Molly Rawding