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Adding 1 Numbers: Elementary Math Presentation

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Adding 1 numbers
We are learning to add 1 digit
numbers that are more than 5
●
By adding 1 digit
numbers more than 5,
it will be easier to do
math
Before learning to add 1 digit
numbers that are more than 5,
We need to revise
well to add 1 digit
numbers less than 5
● We also need to learn
[What is a digit?]
●
●
Digit
Digit is 1 number.
● Examples are 1,2,3 and 4!
●
Activity Time!
Rules
The rules are,
● There will be a question, you must
answer them correctly.
● After that I will show you the right answer.
●
●
●
Question 1
4+4=
8
●
●
Question 2
5+3=
8
●
●
Question 3
3+2=
5
●
●
Question 4
2+2=
4
Now let us learn how to add 1 digit
numbers that are more than 5
●
●
●
Let us see an example:
7+8
How to add?
Now let us learn how to add 1 digit
numbers that are more than 5
●
You split the numbers
7
●
●
●
5
+
8
2
5
3
The 5s of the number 7 and 8 are
the same
Now let us learn how to add 1 digit
numbers that are more than 5
●
You cancel the number 5
7
+
8
●
5
●
●
2
5
3
So, 5+5=10. Once done, cancel
the 5
Now let us learn how to add 1 digit
numbers that are more than 5
●
You add the numbers
7
●
●
●
5
+
8
2
5
3
Then, add the 2 from the 7 and 3
from the 8. 2+3=5
Now let us learn how to add 1 digit
numbers that are more than 5
●
●
●
●
You add the numbers
7
+
8
5
2
5
3
So your total equation is 10+5 =15
Conclusion
7+8=15
Activity
Time!
What is 6+5?
●
You split the numbers
You add the numbers
6
+
5
●
5
●
●
●
1
5
So, 5+5+1=11
What is 6+9
●
●
●
●
●
You split the numbers
Then add the numbers
6
+
9
5
1
5
4
So your equation is 5+5=10
10+1=11
11+4=15
What is 7+8
●
●
●
●
●
You split the numbers
Then add the numbers
7
+
8
5
2
5
3
So your equation is 5+5=10
10+2=12
12+3=15
So now,
●
I will give you a worksheet
You earned a math
star medal
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