Directions: Using the digits 1- 9, at most one time each, to fill in the boxes to make each expression evaluate to a perfect square number. Extension/Challenge: What is the largest/smallest square number you can make? How many different perfect square numbers could be made? Source: Erick Lee

Read More »# Tag Archives: DOK 2: Skill / Concept

## Cubed Roots

Directions: Using the digits 1 to 9, at most one time each, fill in the boxes to make a true statement. Source: Ryun Deckert and Brock Montgomery

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 »## Similar Shapes

Directions: Using the digits 0-9, at most one time each, fill in the boxes so that one rectangle is a scaled drawing of the other. Source: Gian Cavaliere

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 »## Fractions: Sum of 2

Directions: Use the digits 0 to 9, at most one time each, to fill in the boxes so that the sum is equal to 2 wholes. Source: Joshua Nelson

Read More »## Benchmark Fractions

Directions: Use the digits 1 to 9, no more than once, to create three fractions that are as close to zero, one half and one as possible. NOTE: Close as possible is measured by adding up all the differences and making it the least possible value. Source: Darbie Valenti

Read More »## Rational and Irrational Roots 7

Directions: Using the digits 1 to 9, find one pair of digits to fill in the boxes to create expressions that produce one rational root and three irrational roots. Source: Norma Gordon

Read More »## Rational and Irrational Roots 6

Directions: Using the digits 1 to 9, find one pair of digits to fill in the boxes to create expressions that produce two rational roots and two irrational roots. Source: Norma Gordon

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