Praxis Elem CKT Math case studies
Praxis Elem CKT Math · Put your knowledge to work in context.
Praxis Elementary Education: Content Knowledge for Teaching - Mathematics (7812) is the mathematics subtest of the Elementary Education CKT assessment series. The CKT tests are designed for candidates seeking a generalist elementary school license, and they probe not only whether you can do elementary mathematics but whether you can recognize, interpret, and respond to the mathematical thinking of children. The Praxis Elem CKT Math case studies are 5 cases and about 3,730 words.
1Decimal Comparison and the “Longer Number” Misconception
Alvarez’s fourth-grade class is in the middle of a decimal unit. During a number talk she writes 0.7 and 0.35 on the board and asks which is greater.
710 words, about 4 min2Fraction Multiplication and the “Add Tops and Bottoms” Error
Boone’s fifth graders are solving a recipe problem: A batch of granola uses 3/4 cup of honey. If he makes 2/3 of a batch, how much honey is needed?
737 words, about 4 min3Quadrilateral Hierarchy and the Square That “Is Not a Rectangle”
Okafor’s third graders are sorting shape cards into hoops labeled “rectangles,” “rhombuses,” and “squares.” Diego places the square card outside the rectangle hoop and says, “A square can’t be a rectangle because rectangles are long and skinny.” Another student, Lena, puts the square in both the rectangle and rhombus hoops but says a rectangle can never be a square. The class has previously named shapes by their number of sides and has used geoboards to make squares and rectangles.
726 words, about 4 min4Area and Perimeter Confusion in a Garden Design Task
Chen’s third graders are designing rectangular vegetable gardens. Each group gets 24 feet of string to represent fencing and must find possible dimensions.
746 words, about 4 min5The Equal Sign as “Same As” in a Missing-Addend Sentence
Patel’s second graders are working on number sentences. He writes 8 + 4 = + 5 on the board.
811 words, about 4 min