 # Tag Archives: DOK 2: Skill / Concept

## Number Pattern

Directions: Using the digits 1 to 7, at most one time each, place a digit in each circle so that the sum of the numbers in 3 squares (the middle horizontal line or 2 diagonals) are same. e.g A+B+C or D+B+E or F+B+G Is there more than one solution? Source: Al Oz

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make a true statement. Source: Joseph Nguyen

## Sides of a Triangle

Directions: The perimeter of a triangle is 20 units. Using whole numbers, how many sets of side lengths can you find for this triangle? Source: Christina Ploeckelman

## Adding Fractions to Make a Whole Number

Directions: Using the digits 1-9, fill in the blanks to make a whole number sum. Use each digit only at most one time. Can you make all whole numbers from 1 to 9? Source: Owen Kaplinsky

## Domino Window

Directions: Use four of these dominoes to form a square with the same number of dots on each side. Source: Joshua Nelson

## Domino Window 1

Directions: Use four of these dominoes to form a square with the same number of dots on each side. Source: Joshua Nelson

## Multiplying A Fraction By A Whole Number To Make 1

Directions: Using the digits 1 through 9 fill in the blanks to make a product of 1. Source: Owen Kaplinsky

Directions: Using each of the digits from 0-9 only once, fill in the boxes to make the equation true. Source: Denise White