Directions: Using any number between 1 and 9, fill in the boxes to create a true statement. You may only use a number once. Source: Bryan Anderson

Directions: Using any number between 1 and 9, fill in the boxes to create a true statement. You may only use a number once. Source: Bryan Anderson

Directions: Using the digits 1 to 20, at most one time each, fill in the boxes to create equivalent expressions. Source: Shaun Errichiello

Directions: Using the digits 0 to 9, at most one time each, fill in the boxes to make a result that is as close to zero as possible. Source: Daniel Luevanos

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to make a true statement. Source: Daniel Luevanos

Directions: Using the digits 1 to 9, at most one time each, fill in the boxes to make the statement true. Source: Shaun Errichiello

Directions: Using the digits 1 to 6, at most one time each, fill in the boxes make the greatest or least value. Extension: How close to 1 can you get? Source: Erick Lee

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to generate equivalent numerical expressions: Source: Bryan Anderson

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to generate equivalent numerical expressions: Source: Bryan Anderson

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to generate equivalent numerical expressions: Source: Bryan Anderson