Grade 4

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to make a true pattern where the pattern increases by the smallest amount possible. Source: Robert Kaplinsky

Directions: Using the digits 0 to 9, at most one time each, fill in the boxes to make a true statement with the greatest possible total. Source: Owen Kaplinsky and Robert Kaplinsky

Directions: Using the digits 1 through 9 at most one time each, place a digit in each box to create the smallest whole number quotient possible. Source: Robert Kaplinsky

Directions: Using the digits 1 through 9 at most one time each, place a digit in each box to create two different whole number quotients: one that is greater than 300 and one that is less than 300. You may reuse all the digits for each quotient. Source: Robert Kaplinsky

Directions: Using the digits 0 to 9 at most one time each, place a digit in each box to create two different decimals: one that is greater than 5 and one that is less than 5. Source: Robert Kaplinsky

Directions: Using the digits 0 to 9 at most one time each, place a digit in each box to create two decimals that are close to 5 as possible but also equally far away from 5. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to make a true equation with the smallest possible sum. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to make a true equation. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to create a true statement. Source: Robert Kaplinsky

Directions: Use the numbers 1-9 at most once each to make this a true subtraction equation. What is the greatest difference? What is the least difference? Source: Ellen Metzger