Number & Operations in Base Ten

Directions: Using the digits 1 to 6, at most one time each, place a digit in each box to make the largest (or smallest) number that rounds to 5. Source: Annie Forest

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box so that the product is as close to 50 as possible. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the statement true. Source: Robert Kaplinsky with help verifying the answer from Marcia and Rick Casterline

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the largest (or smallest) sum. Source: Daniel Luevanos

Directions:  Using the digits 1 to 9, at most one time each, place a digit in each box to make the smallest (or largest) quotient. Source:  Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the smallest (or largest) product. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the smallest (or largest) product. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the smallest (or largest) sum. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the smallest (or largest) difference. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the smallest (or largest) quotient. Source: Robert Kaplinsky