The Number System

Least Common Multiple

Directions: Use the digits 0 to 9, at most one time each, to fill in the boxes and make a true statement. Source: Wendy Taylor

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Fraction Quotient Closest to 4/11

Directions: Use the digits 1 to 9, at most one time each, to fill in the boxes to make two fractions that have a quotient that is as close to 4/11 as possible. Source: Robert Kaplinsky

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Adding Decimals 2

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

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Adding Decimals (Middle School)

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) sum. Note: This problem’s difficulty can be adjusted by altering the number of digits (boxes), picking smallest or largest, or by picking either a positive, negative, or both. Source: Robert Kaplinsky

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Subtracting Decimals (Middle School)

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) difference. Note: This problem’s difficulty can be adjusted by altering the number of digits (boxes), picking smallest or largest, or by picking either a positive, negative, or both. Source: Robert Kaplinsky

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