The Real Number System

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

Directions: Using the integers -9 to 9 at most one time each, fill in the boxes to make an equation where the product’s exponent has the greatest possible value. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes twice to make an equation. You may reuse all the digits for each equation. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9 at most once, fill in the boxes to create a true statement. Source: Kate Nerdypoo

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 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 1-9 at most one time each, create a sequence that is in numerical order and cannot be simplified anymore. Source: Phillip Haislip-Hansberry

Directions: Using the digits 0-9 at most one time each, make both of these equations true. Source: Jonathan Newman

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