Grade 6

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to find the quotient closest to 1. Source: Michael Dennis

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box so that the difference is as close to 50 as possible. NOTE: The digits used in the difference can be repeated. Source: Giselle Garica

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box so that the sum is as close to 10 as possible. Source: Giselle Garcia

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

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

Directions: Using the digits 0 to 6, exactly one time each, place a digit in each box to make two equivalent ratios (also known as a proportion). Source: AnneMarie Untalan

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 create an accurate number line. How many solutions can you find? Source: Adrianne Burns

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to create an accurate number line. Source: Adrianne Burns

Directions: Construct two sets of 9 numbers that have a mean of 6 and and MAD (mean absolute deviation) of 2. Source: Patrick Sullivan