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## Robert Kaplinsky ## Parallel Lines and Transversals

Directions: Using the whole numbers 1 through 9 no more than one time each, fill in the boxes so that 2 of the lines are parallel and the third line is a transversal. Source: Shelli Foust

## Adding Two-Digit Numbers Given One

Directions: Fill in the boxes below using the whole numbers 0 through 9, at most one time each, so that you can make a true equation. Source: Robert Kaplinsky

## Quadratics with Defined Roots in Standard Form

Directions: Create three equations for quadratics in standard form that have roots at 3 and 5. Source: Robert Kaplinsky

## Quadratics with Defined Roots in Vertex Form

Directions: Create three equations for quadratics in vertex form that have roots at 3 and 5 but have different maximum and/or minimum values. Source: Robert Kaplinsky

## Subtracting Mixed Numbers

Directions: Create three different mixed numbers that will make the equation true by using the whole numbers from 1 to 9, no more than one time each. You may reuse the same numbers for each of the three mixed numbers. Source: Robert Kaplinsky

## Mean, Median, and Range

Directions: Create a set of five whole numbers from 1 to 20 that have the same mean, median, and range. Source: Eric Berchtold and Melissa Minnix

## Systems of Equations – One Solution

Directions: Using the integers from -9 to 9, at most one time each, create a system of three-equations such that the solution is (1,1). Source: Audrey Mendivil, Daniel Luevanos, and Robert Kaplinsky

## Systems of Three Equations – Multiple Solutions

Directions: Using the digits 1 through 9, at most one time each, create a system of equations that has as many solutions as possible. Source: Audrey Mendivil, Daniel Luevanos, and Robert Kaplinsky