GRADES 1 to     School                                          Grade Level     10    Quarter   2
12 DAILY        Teache       LEONARDO P. ALBOR                  Learning Area        MATHEMATICS
                          r
          LESSON PLAN     Teaching Date and Time
I. OBJECTIVES
A. Content Standards                 The learner demonstrates understanding of key concepts of exponents
                                     and radicals.
B. Performance Standards             The learner is able to formulate and solve accurately problems involving
                                     exponents and radicals.
C. Learning                         Solves equations involving radical expressions.
  Competencies/
  Objectives                        a. Solve a radical equation
  Write the LC code for     each    b. Solve word problems involving radical equation
II.CONTENT                           Solving Radical Equations
III. LEARNING
RESOURCES
A. References
     1. Teacher’s Guide    pages     pp. 191-194
   2.     Learner’s       Materials pp. 280-289
pages
   3. Textbook pages                 Intermediate Algebra, Dugopolski , pp. 421-423
                                      Intermediate Algebra Textbook for Second Year, Soledad , pp. 157-158
               Additional           . XP Intermediate algebra II, page 12-16, Bautista, Evangeline P., et.al
       Materials from
              Learning Resource
       Portal
B. Other Learning     Resources
IV. PROCEDURES
    A.     Reviewing      previous Determine whether the statement is true or false. Give the reason for your
lesson or presenting       the new answer.
lesson                             1. is an irrational number
                                   2. A negative number has only one square root, the negative square root.
                                   3.The square root of a positive number may be rational or irrational.
     B. Establishing a    purpose
for the
        lesson
      C. Presenting      examples/
        Instances of the                     Illustrative Examples:
        Lsson
D. Discussing new        concepts Solve for x and check the result.
and          practicing new skills 1.    √5𝑥 = 3
#1                                 2.    √𝑦 + 10 = 3y – 4
                                             2𝑥
                                     3.     √       =2
                                                3
 E.     Discussing new              Solve for x and check the result.
            concepts and practicing 1.     √5𝑥 = 3
         new skills                 2.     √𝑦 + 10 = 3y – 4
          #2                                 2𝑥
                                    3.     √ =2
                                                3
   F.      Developing         Mastery Directions: Solve for x and check the result.
(Leads to formative                   1.     √𝑥 + 3 = 7
      assessment 2)                   2.     √2𝑥 + 3 = 5
                                      3. √𝑥 + 10 = 0
   G.       Finding          practical   Solve the following problems.
applications of            concepts      1. The square root of 5 more than twice a number is 7. Find the number.
and        skills in daily living.
                                         2. The square root of twice a certain number is subtracted from the
                                         number and the result is 4. Find the number.
                                         3. The square root of 5 less than 6 times a certain number is divided by
                                         the number and the quotient is 1. Find the number.
                                         4. The square root of the product of 4 and a number is 26. Find the
                                         number.
                                       5. The square root of 1 more than twice a certain number is 5. Find the
                                          number.
   H. Making        generalizations Important: If the squares of two numbers are equal, the numbers may or may
abstractions about        the lesson. not be equal. Such as, (-3)2 = 32 , but -3 ǂ 3. It is therefore important to check
                                       any possible solutions for radical equations. Because in squaring both sides of
                                       a radical equation, it is possible to get extraneous solutions.
                                       To solve a Radical Equation:
                                       1. Arrange the terms of the equation so that one term with
                                          radical is by itself on one side of the equation.
                                       2. Square both sides of the radical equation.
                                       3. Combine like terms.
                                       4. If a radical still remains, repeat steps 1 to 3.
                                       5. Solve for the variable.
                                       6. Check apparent solutions in the original equation.
   I. Evaluating Learning                         Directions: Solve for x. Check your answers.
                                                  1.       5√𝑥 = 40
                                                  2.       √8 − 2𝑥 = 2
                                                  3.       √𝑥 = -36
   J. Additional activities        for            Directions: Solve for x. Check your answers.
application or       remediation                  1.       √𝑥 + 4 = √𝑥 − 4
                                                 2.     √𝑥 + 30   =5
                                                3.      √𝑥 + 10   = √3𝑥 − 2
V. REMARKS
VI. REFLECTION
    A. No. of learners who earned
    80% in the evaluation.
    B. No. of learners who
require additional    activities
for       remediation
    C.    Did     the    remedial
lesson work? No. of       learners
who have        caught up with the
lesson.
     D. No. of learners who
continue          to         require
remediation.
     E. Which of my        teaching
strategies         worked well?
   F. What difficulties did        I
encounter which         my principal
or            supervisor can help
me solve?
    G.    What      innovation     or
localized materials             did I
use/discover          which I wish to
share with other        teacher?
     Prepared by:                       Noted by:
                    LEONARDO P. ALBOR               LEONILA S. BALANIAL
                     SUBJECT TEACHER                    PRINCIPAL