DETAILED LESSON PLAN IN MATH 1
Prepared by: Jeacel U. Mercado
I. Objectives:
At the end of the lesson, the students will be able to:
Use base-ten blocks to accurately and quickly solve addition problems with sums up to 100,
without regrouping.
Add numbers with sums up to 100 mentally using appropriate strategies.
Demonstrate enthusiasm and interest in learning how to add numbers up to 100
Subject Matter
Topic: Adding Numbers with Sums Up to 100 Without Regrouping
References: Math for life book pages 247-257
II. Materials:
- Visual aids and picture
IV. Procedure Teacher’s Activity Student’s Activity
A. Daily Routine
“Me teacher!.”
1. Prayer
“Let’s begin our class with a prayer. Who wants to lead?” (The student will lead the
prayer)
“Okay, thank you for leading the Prayer.”
2. Greetings “Good afternoon, Grade 1 Faith!” “Good afternoon Teacher
Jeacel,
3. Classroom “Class, kindly arrange your seats properly, and get ready for (Students will sit
Management our today’s lesson.” properly)
4. Checking of “Who’s not around today? Is everybody present?” “Everyone is present
Attendance “Very good! Just Keep it up and avoid being absent in the teacher.”
class. Am I clear?”
“Very good” “Yes, teacher”
B. Review “Yesterday we discuss about arranging digits in column
according to their place value position.
And adding the numbers according to their place value.”
Now who can give me a place value of 5 in 54?
“ Ones teacher”
How about the 4? “Tens teacher”
Should we add zero beside 5? “Yes teacher”
How about beside 4? “No teacher”
“50 tens + 4 ones= 54”
C. Motivation
Introduce the base-ten blocks. Show an example of a set of
blocks including 1s (single unit cubes), 10s (long bars of ten
cubes), and 100s (a square made of ten bars).
Students listen and
participate during the
discussion.
(Answers may vary
depends on discussion.)
Place value Chart
The teacher will discuss
and the students will listen
attentively
D. Activity Answer pages 253,
(Student get their book and
try to answer the given
activity.)
E. Analysis Answer page 253,
(Student get their book and
try to answer the given
activity.)
F. Application If we plant 25 flowers and 34 vegetables, how many total “59, teacher”
plants do we have?
Anna have 34 apples and 13 oranges, how many apple and “47, teacher”
oranges does Anna have altogether?
G. Class did you understand our lesson today? (Answers may vary
Generalization Do you have any question or clarification? depends on students
understanding and
question)
When adding using base 10 blocks, follow these steps:
1. Illustrate the addends using base 10 blocks.
2. Add the tens and ones.
When adding using place value chart, follow these steps:
1. Place the addends in the place value chart.
2. Add the ones.
3. Add the tens.
It is easier to add mentally when you know how to make the
sum of 10 in your head. Use number combinations to make
the sum of 10.
H. Evaluation Answer page 256, (Students will answers
their book.)
b
V. Assignment Answer page 255,
It’s coloring time.
