Tag Archives: DOK 2: Skill / Concept

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make a true statement. Source: Robert Kaplinsky with help verifying the answer from Marcia and Rick Casterline

Directions: How many ways can you determine the location of the line of reflection for isosceles triangle XYZ that maps Point X to Point Z? Source: Irvine Math Project, Nanette Johnson, and Robert Kaplinsky.

Directions: Using digits 0 to 9, at most one time each, fill in the boxes to create the following number types. Source: Shaun Errichiello

Directions: Fill in the boxes with any numbers that make the equation true. Source: Dane Ehlert

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

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

Directions: If possible, find the radius of a circle where the area of the circle and the circumference of the circle are equal. Is there more than one possible answer? Source: Karen Bloom

Directions:  How many numbers are between 1 and 3? Source:  Robert Kaplinsky

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to create two equivalent expressions. Source: Will Case

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to create two equivalent expressions. Source: Will Case