Directions: Use the operation symbols (+, -, x, ÷) and equal sign (=) to make a true equation. Operation symbols may be used more than once. What is the least value for each part of the equation? What is the greatest value for each part of the equation? Can you complete the equation with at least one of each symbol? …

Directions: Using the digits 1-9, at most once each, fill in the boxes to make a true statement. Source: Adina Rochkind

Directions: Use the digits 0 to 9, at the most one time each, place a digit in each box to make a pattern that changes by the same amount each time. Source: Brian Errey

Directions: Directions: Using the digits 0 to 9, at most one time each, fill in the boxes to create numbers on the number line. Source: Anne Oliveira

Directions: Using the digits 0-9 at most once, create a true statement. Source: Nova Katz

Directions: Using the digits 5, 6, 7, and 8 exactly once and picking one of the expressions below, create the greatest product possible out of the two expressions. Source: Howie Hua

Directions: Using the digits 1-9 at most once each, create a rectangle with an area as close to 500 and a perimeter as close to 100 as possible. Source: Owen Kaplinsky

Directions: Use the digits 1-9, at most once, to complete the equation. What is the greatest result you can make? What is the least result you can make? Source: Molly Rawding

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to make each statement true. Source: The Open Middle Elementary Team and Dean Johnstone

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to make each statement true. Source: The Open Middle Elementary Team and Dean Johnstone