Grade 9 - Deligence Performance Task #1.pptx

PT

1. Patterns And Algebra Mathematics 9

2. Learning Target : The learner expected to solves quadratic equations by: extracting square roots; and completing the square. Content Standard: The learner demonstrates understanding of key concepts of quadratic equations.

3. Performance Standard The learner is able to investigate thoroughly mathematical relationships in various, formulate real-life problems involving quadratic equations and solve them using a variety of strategies.

4. RUBRICS: CRITERIA 4 3 2 1 1. Visual aid is neat. All indicators are shown and observe. Four of indicators are only observe. Two to three indicators are only observe. 0 to one indicators are only observe. 2. Students explained their mathematical reasoning behind their answer. 3. Students correctly create a quadratic equation that models the situation. 4. Students can show why their equation works and correctly substitutes values for the variables. 5. All members contributed to the performance task. TOTAL SCORE

5. ACTIVITY: WHAT AM I???? Mechanics: The class will be divided into FIVE groups. Each group needs to solve the following equations. Write your SOLUTIONS and ANSWERS in Manila Paper. After 40 mins. of solving, the remaining time if 20 mins. will be presentation of each group.

6. ACTIVITY: WHAT AM I???? Directions : Solve the following quadratic equations using the property of square roots “ Extracting Square Roots” and Completing the Square.

7. Solve using extracting square roots 5 = 35   -28   Solve using completing the square = 91   = 8