Grade 8

Directions: Using the whole numbers 0 to 20 no more than one time each, fill in the two-way frequency table so that chocolate has a higher relative frequency than vanilla and that 8th grade students has a lower frequency than 7th grade students. Source: Eric Zuercher

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to make a true statement. Source: Luke Cole

Directions: Using the digits 1-9 at most one time each, fill in the boxes such that there are infinitely many solutions. Source: Jordan Dodge

Directions: Using the digits 0-9 at most once each, fill in the boxes to find three points on the same line and the slope. Source: Maggie Lee McHugh

Directions: Using the digits 0 to 9 at most one time each, place a digit in each box to create a true equation. Source: Jos Bertemes

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to create the largest (or smallest) sum possible. Source: Annie DeAngelo

Directions: Using the numbers 1-9 one time only, fill in the blanks so that the equations are true. Source: Kate Nerdypoo

Directions: Using the digits 0 to 9 at most one time each, place a digit in each box to create a result with the greatest exponent. Source: Kjersti Oliver

Directions: In triangle ABC, angle ABC is obtuse. Using the digits 1 to 9 at most one time each, place a digit in each box to make angle ACB the smallest possible acute angle. Source: Jay Sydow

Directions: Using the digits 1 through 9 at most one time each, place a digit in each box to create an equation such that the solution is the largest integer possible. Source: Kristen Amaral