# The Number System

## Decimal Division

Directions: Using the digits 0 through 9, without repeating any digits, find the quotient closest to 1. Source: Michael Dennis

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## Subtracting Multi-Decimals

Directions: Use the digits 1 to 9, at most one time each, to fill in the boxes so that the difference is as close to 50 as possible. NOTE: The digits used in the difference can be repeated. Source: Giselle Garica

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## Adding Multiple Decimals

Directions: Use the digits 0 to 9, at most one time each, to fill in the boxes so that the sum is as close to 10 as possible. Source: Giselle Garcia

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## Decimal Addition

Directions: Use the digits, 0 through 9, without repeats, to complete the equation below: Source: Shaun Errichiello

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## Fraction Division

Directions: Use the digits 0 through 9, without repeats, to solve the problem below. Source: Shaun Errichiello

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## 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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## Operations with Rational Numbers

Directions: Using Integers 2 to 9 (without repeating any number), fill in the boxes to create: Source: Bryan Anderson

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## Area of a Quadrilateral on a Coordinate Plane

Directions: Using the digits 0 to 9 at most one time each, fill in the blanks to create a quadrilateral with an area of 16 square units. Source: Daniel Luevanos

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