Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to make two different pairs of fractions that have a quotient of 2/3. Source: Robert Kaplinsky in Open Middle Math

Read More »# The Number System

## Ordering Rational Numbers

Directions: Using the digits 1 to 9 at most once each, fill in the boxes to make a true statement. Source: Robert Millett

Read More »## Prime Factorization 2

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to make the greatest possible product. Source: Robert Kaplinsky

Read More »## Largest Possible GCF #2

Directions: Using the digits 0-9 at most once, fill in the boxes to make the largest possible greatest common factor. Source: Howie Hua

Read More »## Smallest Possible LCM

Directions: Using the digits 0-9 at most once, fill in the boxes to make the smallest possible least common multiple. Source: Howie Hua

Read More »## Largest Possible GCF

Directions: Using the digits 0-9 at most once, fill in the boxes to make the largest possible greatest common factor. Source: Howie Hua

Read More »## Decimal Division

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

Read More »## 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

Read More »## 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

Read More »## Decimal Addition

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

Read More »