Ubd Lesson Plan for Mthematics 2

Mangaldan National High School
Lesson Exemplar in Intermediate Algebra
General Statement
Quarter 3 Radical Expressions and Equations Topic Addition and Subtraction of Radical Expressions Time Frame 1 day
Stage 1: Results/Outcomes
Content Standard:
The learner demonstrates understanding of the concepts of addition and subtraction of radical expressions. Performance Standard:
The learner can add and subtract radicals.
Essential Understanding:
Understanding addition and subtraction of radicals Essential Question: How do we add and subtract radicals?
The learner will know: similar radicals addition of radical expressions subtraction of radical expressions The learner will be able to: add and subtract radical expressions
Stage 2: Assessment
Product/Performance Task problems involving addition and subtraction of radicals Evidence at the level of understanding:
The learner should be able to demonstrate understanding of adding and subtracting radical expressions. Evidence at the level of Performance
Assessment of portfolio based on the following suggested criteria: real life problem problems involving angles problems are solve using a variety of strategy
Stage 3: Learning Plan
Teaching/Learning Plan

Teacher’s Activity

A. Explore
Activity 1:
Directions: Simplify each of the following: 2a + 8a = __________________ 8p + (-4p) = ________________ -14b + (-5b) = ______________ -17x + (-5x) = ______________ -10x – (-6x) = ______________ -21t + 17t = ________________ -8m + 12m + 4m = _________ -19x + 12x – 3x = __________ 6x + 4y -3x + 9y = __________ 15a - 8b + 3a – 7b = ________

How are the given expressions combined?

Activity 3: Comparison and Contrast

Questions:

What can you observe in Set A? How about Set B? What do you call those radicals in Set A? How about in Set B?

Based on the examples on Set A, how would you describe similar radicals?

Activity 4: