Expressions & Equations

Two-Step Equations: Positive And Negative Values

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to create two equations: one where x has a positive value and one where x has a negative value. You may reuse all the digits for each equation. Source: Robert Kaplinsky in Open Middle Math

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Creating Inequalities

Directions: Using the integers -4 to 4, at most one time each, create an inequality with solutions of x > 2/3. Source: Robert Kaplinsky

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Two-Step Equations 3

Directions: Using the digits 1 to 9, at most one time each, fill in the boxes to find the largest (or smallest) possible values for the sum of x and y. Source: Erick Lee

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Two-Step Equations 2

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to find the largest (or smallest) possible values for x. Source: Chase Orton and Mark Goldstein

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Exploring Equations

Directions: For each problem below, use the digits 1 to 9 at most one time each, to fill in the boxes to find the the greatest value for x that you can. Source:  Chase Orton and Mark Goldstein

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