Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to find the second greatest solution. Source: Neil Hamilton

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## Adding And Subtracting Rational Numbers 2

Directions: Using the integers -9 to 9 at most one time each, fill in the boxes to create an equation where each side has the greatest possible value. Source: Robert Kaplinsky

Read More »## Adding And Subtracting Rational Numbers 1

Directions: Using the integers -9 to 9 at most one time each, fill in the boxes to create two equations. You may reuse all the integers for each equation. Source: Robert Kaplinsky

Read More »## Integer Sums and Differences

Directions: Using the integers -3 to 3, at most one time each, fill in the blanks to make each equation true. Source: Jeanmarie Mullen

Read More »## Adding and Subtracting Integers

Directions: Using the digits 1 to 6, at most one time each, fill in the boxes so that top two equations are equal and the bottom equation has a greatest value than the other two. Source: Kate Nerdypoo

Read More »## Rational Number Computation

Directions: Using the integers -5 to 5, at most one time each, write an expression that will have the greatest (or least) absolute value. Source: Michael Wiernicki

Read More »## Creating Zero

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the equality true: Source: Bryan Anderson

Read More »## 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

Read More »## Adding Two-Digit Numbers (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

Read More »## Subtracting Two-Digit Numbers (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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