Number & Operations in Base Ten

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

Directions: Using the digits 1-9 at most one time each, find the closest sum to 10,000 using two 4-digit addends. Source: Jessica Goree

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 to 9 at most one time each, place a digit in each box to make the product as close to 7,000 as possible. Source: Paolo Tolomeo

Directions: Using the digits 1-9, at most one time each, fill in the blanks to make a true multiplication equation. Source: Adina R

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make a true statement. Source: Owen Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, fill in the boxes to make a product that’s as close to 50 as possible. Source: Owen Kaplinsky

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

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make a true statement. Source: Owen Kaplinsky