Number & Operations in Base Ten

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

Directions: Using the digits 1 through 9 at most one time each, fill in the boxes to create the smallest (or largest) whole number quotient. Source: Ellen Metzger

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to and make the greatest/least product. Source: Nanette Johnson

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the biggest/smallest product. Source: Nanette Johnson

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the biggest/smallest product. Source: Nanette Johnson

Directions: Fill in the blanks using all different non-zero digits (except the numbers 1 and 4, which have already been used) to make the greatest possible quotient. Source: Brian Lack

Directions: Fill in the boxes so that you would need to regroup when you subtract. Make sure that your number is less than 63. Extension: Explain why you need to regroup using your number. Source: Chase Orton