Directions: Use the digits 1 to 9, no more than once, to create three fractions that are as close to zero, one half and one as possible. NOTE: Close as possible is measured by adding up all the differences and making it the least possible value. Source: Darbie Valenti

Directions: Using the digits 1 through 9, at most one time each, fill in the boxes to make the statement true. Source: Nanette Johnson, based on Giselle Garcia’s problem

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

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to create as many fractions as possible that are less than one half. Source: Christine Newell

Directions: Use the digits 1 to 9, at most one time each, to fill in the boxes to create a fraction that is as close to 5/11 as possible. Source: Robert Kaplinsky

Directions: Use the digits 1 to 9, at most one time each, to fill in the boxes to create two different fractions: one that is less than one half and one that is more than one half. Source: Robert Kaplinsky

Directions: Using the integers 1 to 10 at most one time each, fill in the boxes so that the sum is equal to 1. Source: Joshua Nelson

Directions: Find three fractions whose product is -5/24. You may use fractions between -8/9 to 8/9 no more than one time each. Find at least 2 possible combinations. Source: Al Oz

Directions: Using the digits 0 to 9, at most one time each, fill in the boxes so that the fraction equals the repeating decimal. Source: Daniel Luevanos

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to create 3 equivalent fractions. Source: Graham Fletcher, Bowen Kerins