Evaluation for 5.2c
Materials provide opportunities for students to evaluate procedures, processes, and solutions for efficiency, flexibility, and accuracy within the lesson and throughout a unit.
The materials provide opportunities for students to evaluate procedures and processes for efficiency, flexibility, and accuracy through analysis of multiple solution strategies. In the
3rd Grade Math Practice Book Teacher Edition, TEKS 3.4K, students are instructed to “study the strategies shown” and determine whether each representation could be used to solve the problem by placing a check mark or an
X beside each strategy. This task requires students to evaluate whether different procedures and representations lead to a correct solution. The lesson also directs educators to assign each group one of the strategies and have students explain how the strategy works and whether it will help solve the problem. These discussions require students to analyze and justify the effectiveness of different solution methods and to compare alternative approaches. Additionally, the “Why Do I Need to Know This?” section states, “Understanding operational relationships by using appropriate strategies in a variety of situations helps you solve problems efficiently, accurately, and flexibly.” Together, these embedded opportunities engage students in evaluating mathematical procedures and solution strategies by considering their effectiveness and supporting their reasoning with mathematical evidence.
The materials provide opportunities for students to evaluate procedures and solutions for accuracy through error analysis tasks. For example, in the
3rd Grade Math Practice Book, TEKS 3.4B, the “Engaging Activity” presents two students’ estimation strategies and asks students to determine which solution is correct. Students are instructed to analyze the work of Lyn and Wendy by responding to the prompt, “Lyn and Wendy wanted to estimate the total cost of their items purchased on a shopping trip. Look at their work and determine which girl estimated the cost correctly.” Students evaluate the accuracy of each solution, identify the correct estimation procedure, and justify their reasoning using mathematical evidence. These embedded opportunities require students to analyze solution processes, determine the correctness of mathematical work, and explain why one solution is accurate and the other is not.
Across the materials, students engage in tasks that require them to refine accurate and flexible mathematical procedures throughout units. For example, in the
3rd Grade Math Practice Book, students progress from the “TEKS Lesson” to “Guided Practice,” “Partner Practice,” and “Independent Practice” as they solve one- and two-step problems using frequency tables, pictographs, dot plots, and bar graphs. Throughout the unit, students repeatedly apply mathematical procedures across multiple graph representations, helping them build accuracy while demonstrating flexibility in selecting and interpreting different representations to solve problems.