Lesson |
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Title: Addition |
Grade: 1-a Lesson: S2-L2 |
Explanation: Hello students, let us learn a new topic in addition today with definitions, concepts, examples, and worksheets included. |
Lesson:
Definition: Addition |
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Addition in the simplest form is taking two numbers and adding them together. The symbol used to show addition is the + (plus symbol). |
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Explanation: Add the numbers 33 and 4, we get the sum 37. |
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Definition: Addend |
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Addends are the numbers or terms that are added together to form the sum. |
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Explanation: Here 28 and 2 are addends and 30 is the sum. |
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Definition: Sum |
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The answer we get after the process is called the sum. |
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Explanation: In this image, Ramu had 20 books, and 3 more books were added in the library total number of books are 23. |
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Table
| Step | Description | A | + | B | = | C |
|---|---|---|---|---|---|---|
1 |
Fifteen plus One is equal to Sixteen |
15 |
+ |
1 |
= |
16 |
2 |
Fifteen plus Two is equal to Seventeen |
15 |
+ |
2 |
= |
17 |
3 |
Fifteen plus Three is equal to Eighteen |
15 |
+ |
3 |
= |
18 |
4 |
Fifteen plus Four is equal to Nineteen |
15 |
+ |
4 |
= |
19 |
5 |
Fifteen plus Five is equal to Twenty |
15 |
+ |
5 |
= |
20 |
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