Teacher's Note: Teacher may ask more addition related questions based on the picture given above to recall the addition of numbers upto 9.

__Addition__

** **

**Recall**

__Addition upto 9__

Number of children playing on the
see-saw = __2__

Number of children playing slide = __1__

**Total = 3**

**Teacher's Note: **Teacher
may ask more addition related questions based on the picture given above to
recall the addition of numbers upto 9.

** **

**Add**

**5+1 =6**

**3+3=6**

**2+7=9**

**2+3 =5**

**1+6=7**

**4+5=9**

** **

**Learn**

__Addition with zero__

__0+3=3__

** **

**Know more**

Zero added with any number
gives the same number.

** **

**Practice**

__Draw amd add__

**1+0=1**

**0+2=2**

**0+3=3**

**4+0=4**

**5+0=5**

**0+6=6**

**7+0=7**

**0+8=8**

**9+0=9**

Game

Teacher may arrange the
paper cups on the table as shown in the picture. Give two chances for each
student to hit the arranged cups from a particular distance using a ball. Note
the number of cups hit by him/her in each chance. Finally ask them to count the
total cups hit by them.

Number of cups hit on the
first chance = __4__

Number of cups hit on the
Second chance =__ 5__

Number of cups hit in both
the chances together =__ 9__

** **

**Travel through**

**Keywords: **Add, Total, Together,
Altogether, More

__Trees! How many trees?__

Mani and Kani are
neighbours. They go to school together from their homes. One day on the way to
school, Mani started counting the trees on his right side and said the total as
7. Kani also counted the trees on her left side and said the total as 5. When
they reached the school, they told their friend Selvi about this.

Selvi told the number of
trees that had been counted by Mani and Kani is 12. Kani and Mani were
surprised and asked "How did you say that?"

Selvi’s way of counting

Trees counted by Mani is
7 **| |
| | |
| |** (Draw 7 lines)

Trees counted by Kani is
5 **| |
| | |**
(Now draw 5 lines)

Total number of trees
counted by both of them __12__** **

**| | |
| | | | |
| |**

| | (Total number of lines grouped in 10)

**Learn**

__Addition__

**Using lines ****6 + 9 = ? ; ****Using beads ****12 + 4 = ?**

** **

**Practice**

__Add__

1+9= **10**

8+5= **13**

15+0=**15**

7+7= **14**

12+4= **11**

19+0=**19**

14+3=**17**

11+7=**18**

6+ 7= **13**

11+0=**11**

3+9= **12**

16+4=**20**

4+13=**17**

17+1=**18**

** **

**Pleasure time**

**Find the total of the two numbers given in the table. Colour the
peacock with the colours indicated
against the total.**

** **

**Think like a Mathematician**

**Match the pairs which make the sum 12?**

**Match the pairs which make the sum 20?**

** **

**Mental math**

__Addition__

→ Arasi has 9 pencils, Kamala has 8 pencils. How many pencils do
they have altogether?

**9+8=17**

→ Mary plucked 7 mangoes, Agalya plucked 6 mangoes. They put the
mangoes together in a basket. How many mangoes are there in the basket now?

**7+6=13**

→ Chezhiyan is 12 years old. His sister age is 3 years more than him. How old is Chezhiyan's sister?

**12+3=15**

→ Samirah has 8 crayons. She buys 4 more crayons. How many
crayons does Samirah
have totally?

**8+4=12**

Tags : Numbers | Term 2 Chapter 2 | 1st Maths , 1st Maths : Term 2 Unit 2 : Numbers

Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail

1st Maths : Term 2 Unit 2 : Numbers : Addition | Numbers | Term 2 Chapter 2 | 1st Maths

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