Directions: In JavaScript, using the digits 1 to 9 at most one time each, place a digit in each box to find then total would have the largest number printed to the screen. Source: Jesse Darcy

Directions: In JavaScript, using the digits 0 to 9 at most one time each, place a digit in each box to find then total would have the largest number printed to the screen. Source: Jesse Darcy

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

Directions: Using the digits 0 through 9 at most one time each, place a digit in each box to make a two-digit number that has a value between given numbers. Source: Thach-Thao Phan

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

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

Directions: Using the digits 1 to 9 at most twice each, make the sum of the four expressions the greatest possible value. Source: Catriona Shearer

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes so x = y. Source: Arnav Gulati and Daniel Luevanos

Directions: Using the digits 1 – 9, at most once each, fill in the blanks to make it so that the value for the area of the rectangle (in square units) is greater that the value for the perimeter (in linear units). What is the greatest difference you can find between the area and perimeter? What is the least difference …

Directions: Using the digits 0 – 9, at most one time each, fill in the blanks to make a true statement. (Note: Image is not to scale) Source: Owen Kaplinsky