Expressions & Equations

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to make the equations true. Source: Michele Dijkstra

Directions: Using the digits 1 to 7, at most one time each, place a digit in each box to create an inequality that match the solution of the inequality on the number line. Source: Jay Sydow

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. You may reuse all the digits for each equation. Source: Robert Kaplinsky in Open Middle Math

Directions: Using digits -9 to 9, at most one time each, place a digit in each box to create an inequality that has a solution of x > 2. Source: Sarah Furman

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

Directions: Using the integers -4 to 4, at most one time each, place an integer in each box create an inequality with solutions of x > 2/3. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to find the largest (or smallest) possible values for the sum of x and y. Source: Erick Lee

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to find the largest (or smallest) possible values for x. Source: Chase Orton and Mark Goldstein

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to find the the greatest possible value for x. Source:  Chase Orton and Mark Goldstein

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to create a true inequality. Source: Bryan Anderson