Learning Objectives
By the end of the lesson students will be able to:
English
Students will be able to
- Understand the meaning of addition.
- Understand the meaning of subtraction.
- Add numbers up to 9.
- Subtract numbers up to 9.
- Solve simple word problems.
- Use objects, fingers and pictures for calculations.
Hindi
विद्यार्थी
- जोड़ का अर्थ समझेंगे।
- घटाव का अर्थ समझेंगे।
- 9 तक जोड़ करेंगे।
- 9 तक घटाव करेंगे।
- सरल शब्द समस्याएँ हल करेंगे।
- वस्तुओं, उंगलियों तथा चित्रों की सहायता से जोड़-घटाव करेंगे।
Previous Knowledge
English
Students know
- Counting 1–9
- Number names
- Number recognition
Hindi
बच्चे जानते हैं
- 1 से 9 तक गिनती
- संख्या पहचान
- संख्या नाम
Teaching Learning Materials (TLM)
- Number cards
- Flash cards
- Ice cream sticks
- Bottle caps
- Counters
- Fruits
- Balls
- Building blocks
- Blackboard
- Worksheets
- Smart board (if available)
Key Vocabulary
English
Hindi
Add
जोड़ना
Addition
जोड़
Plus
जोड़
Total
कुल
Altogether
सब मिलाकर
Sum
योग
Subtract
घटाना
Minus
घटाना
Difference
अंतर
Left
बचा
Introduction (5 Minutes)
Teacher places 3 apples on the table.
Then places 2 more apples.
Ask:
How many apples are there now?
Children count.
3 + 2 = 5
Teacher says
"When we put things together, it is called Addition."
अब शिक्षक 5 सेब रखकर 2 हटा देता है।
पूछता है—
अब कितने सेब बचे?
5 − 2 = 3
"जब हम चीजें हटाते हैं, उसे घटाव कहते हैं।"
STUDY MATERIAL
Addition (जोड़)
Definition
English
Addition means putting two groups together.
Hindi
दो समूहों को मिलाना जोड़ कहलाता है।
Symbol
Read as
Plus
या
जोड़
Example 1
🍎🍎
🍎🍎🍎
=
🍎🍎🍎🍎🍎
2 + 3 = 5
Example 2
⭐⭐⭐⭐
⭐⭐
=
⭐⭐⭐⭐⭐⭐
4 + 2 = 6
Example 3
🐥🐥🐥
🐥🐥
=
🐥🐥🐥🐥🐥
3 + 2 = 5
Number Line Addition
0 1 2 3 4 5 6 7 8 9Start at 2Jump 3 steps2 →3→4→5Answer =5
Finger Addition
Show 2 fingers.
Show 3 fingers.
Count together.
2 + 3 = 5
Subtraction (घटाव)
Definition
English
Subtraction means taking away.
Hindi
किसी संख्या में से कुछ हटाना घटाव कहलाता है।
Symbol
−
Read as
Minus
Example
🍎🍎🍎🍎🍎
Take away 🍎🍎
Left
🍎🍎🍎
5−2=3
Example
⭐⭐⭐⭐⭐⭐
Take away ⭐⭐⭐
Left ⭐⭐⭐
6−3=3
Number Line Subtraction
0 1 2 3 4 5 6 7 8 9Start at 7Jump back 37→6→5→4Answer=4
Addition Table
Addition
Answer
1+1
2
2+2
4
3+2
5
4+3
7
5+4
9
6+3
9
7+2
9
8+1
9
Subtraction Table
Subtraction
Answer
2−1
1
3−2
1
4−1
3
5−2
3
6−3
3
7−4
3
8−5
3
9−6
3
Real Life Examples
Fruits
Riya has 4 mangoes.
Mother gives 3 more.
How many?
4+3=7
Balloons
Rahul has 8 balloons.
2 burst.
Left?
8−2=6
Chocolates
There are 5 chocolates.
Father gives 4 more.
Total?
9 chocolates.
Activity 1
Count and Add
Teacher gives blocks.
Children make two groups.
Join them.
Write the answer.
Activity 2
Take Away
Teacher gives 8 counters.
Children remove 3.
Count the remaining.
Activity 3
Jump on Number Line
Floor number line.
Children jump forward for addition.
Jump backward for subtraction.
Guided Practice
2+4=__
3+5=__
6+2=__
4+1=__
5+3=__
5−2=__
7−3=__
9−4=__
8−5=__
6−1=__
Word Problems
English
- Ravi has 3 pencils.
His father gives him 4 more.
How many pencils does he have?
Answer = 7
- There were 9 birds.
2 flew away.
How many birds are left?
Answer = 7
- Meena has 5 flowers.
She gets 2 more.
Answer = 7
Hindi
- रवि के पास 3 पेंसिल हैं।
पापा ने 4 और दीं।
कुल कितनी?
उत्तर = 7
- पेड़ पर 9 चिड़ियाँ थीं।
2 उड़ गईं।
कितनी बचीं?
उत्तर = 7
Practice Worksheet
Fill in the blanks
3+2=__
4+4=__
5+3=__
6+1=__
7+2=__
9−2=__
8−3=__
7−5=__
6−2=__
5−4=__
Circle the Correct Answer
2+3
4
5
6
7−2
4
5
6
5+4
8
9
10
Match
2+2 →4
5−2 →3
6+3 →9
8−4 →4
Assessment
Oral
What is 3+4?
What is 8−2?
What comes after adding?
What happens when we subtract?
Written
5+2
7−3
6+1
9−4
Common Mistakes
Students may
- Count twice.
- Forget the sign.
- Count backward incorrectly.
- Skip numbers.
Teacher should correct using objects.
Differentiated Learning
Slow Learners
Use fingers.
Use toys.
Use counters.
More practice.
Advanced Learners
Mental addition.
Mental subtraction.
Two-step simple sums.
Homework
1+6=
3+5=
2+7=
9−3=
8−4=
7−5=
Make five addition sums using fruits.
Make five subtraction sums using toys.
Revision Notes
Addition
✔ Join together
✔ Plus (+)
✔ Count forward
Subtraction
✔ Take away
✔ Minus (−)
✔ Count backward