Transcript Lesson Plan in Mathematics

Lesson Plan in Mathematics - I
Subtraction of 2 – digit numbers
with regrouping.
Prepared by:
Arlene V. Lagundino
Overview
In this lesson, the pupils will
do subtraction with regrouping
correctly of a given word
problem.
Subject: Mathematics - I
Topic: Subtraction:
Subtraction of 2 –digit
numbers with regrouping.
Time: 6o minutes
Period of Teaching: 1 day
Objectives
At the end of the lesson, the
pupils will be able to:
1. Subtract 2 – digit numbers with
regrouping.
2. Work cooperatively.
Materials/ Teaching Aids
Power Point
Counters
Blocks/ base ten
Worksheets
Workmat/ Number Cards
Preparation
Prepare the base ten block
and the place value chart for
demonstration of subtracting
less number from the place
value of ones and tens.
Prerequisite Skills & Concept
The children should
proficient in identifying the
place value of a number and
also had practice the concept
of subtraction.
Procedures
1. Begin the lesson with a video from
youtube:
http://www.ustream.tv/recorded/1043
2729
The video will help or recaps pupil’s
knowledge about subtraction with 2–
digit numbers without regrouping.
2.
Introduce the lesson by watching
the video and the slides in the
Powerpoint.
http://www.mathplayground.com/
howto_regroupI.html
http://www.athens.edu/pt3/vinson
/subtraction_r.ppt
3. Teach also a rhymes for them to
remember the process in subtraction.
More on top?
No need to stop.
More on the floor?
Go next door,
Get ten more.
Numbers the same?
Zero's the game.
Do an example as shown below to
demonstrate what each stanza of the
rhyme means.
Example 1:
Look at the numbers in the one's
column and ask:
More on top?
36
No need to stop.
22
14
Example 2:
Look at the numbers in the one's
column and ask:
More on the floor?
Go next door,
Get ten more.
42
-26
16
Example 3:
Look at the numbers in the one's
column and ask:
Numbers the same?
Zero's the game.
35
-15
20
4. Observe students at work.
Do they do problems correctly?
So they recite rhyme to help
them do the problems.
5. Group work:
Pupils will get into group of 5.
Each group will be given:
A word problem to solve.
Each group will report their answer
and show the illustration of their
answer.
Assessment
Answer the worksheet:
http://www.superteacherworksheets.com/
subtraction/mystery-picturesubtraction.pdf
http://www.superteacherworksheets.com/
subtraction/mysterypicture-subtractionfish.pdf
The teacher will use a checklist
to assess the guided and
independent practice activities.
The checklist will have
objectives listed as column
headings. Checks and minuses
will be used to determine
attainment.
For enrichment, the teacher will
increase the numbers and add
regrouping.
 For remediation, the teacher
will let the students continue
working out problems using the
manipulative while working in
groups.