Directions: Find three numbers whose product is -64. You may use integers from -10 to 10. You may not use the same absolute value twice. Find all possible combinations. Source: Nathan Charlton and Daniel Martinez

Read More »## Nanette Johnson

## Angles of a Polygon

Directions: The measures of the angles of a convex polygon form an arithmetic sequence. The smallest angle has a measurement of 129 degrees. The largest angle has a measurement of 159 degrees. Find the number of sides in this polygon. Source: Ricardo Navarro

Read More »## Subtraction to get the Smallest Difference

Directions: Place any digit, 1 through 9, in the boxes below to create the smallest possible difference. Each digit can only be used once. Source: Graham Fletcher

Read More »## Equality

Directions: Place any digit, 0 through 9, in the boxes below to make a true statement. Each digit can only be used once. Source: Graham Fletcher

Read More »## Equivalent Equations

Source: Smarter Balance 7th grade practice test

Read More »## How Many Squares?

Directions: How many squares are shown in the diagram below? Source: This problem was found in the Fifth Edition Elementary Geometry for College Students by Alexander and Koeberlein

Read More »## Equation of the Biggest Circle

Directions: Fill in the blanks with integers (including negatives) that meet the following requirements: The equation’s graph is a circle. The circle has the biggest area The circle is completely inside the first quadrant The circle’s radius is a whole number 1 through 9. Source: Nanette Johnson

Read More »## Is the Quadrilateral a Kite?

Directions: What is the least number of geometric markings to show that a quadrilateral is a kite? Source: Nanette Johnson

Read More »## Arithmetic vs Geometric

Directions: Which is bigger? The common ratio, r, in a geometric sequence with OR the common difference, d, in an arithmetic sequence with Source: Nanette Johnson

Read More »## Is the Quadrilateral a Square?

Directions: What is the least number of geometric markings needed to demonstrate that a quadrilateral is a square? Source: A collaborative effort of Jose De La Torre and Nanette Johnson answer by Ricardo Navarro with help from Robert Kaplinsky

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