Expressions & Equations

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the equation true. Source: Stephen Cox

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the equation true. Source: James Cresswell

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to create an inequality with a solution of x<4 Source: Annie DeAngelo

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to make an equation where both sides have the greatest possible value. Source: Adrianne Burns and Robert Kaplinsky

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to create as many true equations as possible. Source: Annie DeAngelo and Maeve O’Connell

Directions: Using the digits 1 to 5, at most one time each, place a digit in each box to create an expression with the largest possible value. Source: Matt Donahue

Directions: Find values for a and b that will make the expressions equivalent, assuming that a does not equal b. Source: Owen Kaplinsky

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to make the equation true. Source: Julie Wright

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to create an equation where x has the greatest possible value. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to create two equations: one where x has a positive value and one where x has a negative value. Source: Robert Kaplinsky