Lesson |
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Title: Addition |
Grade: 1-a Lesson: S2-L8 |
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 75 and 2, we get the sum 77. |
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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 50 and 5 are addends and 55 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, In a class, there are 20 girls and 30 boys and the total number of students in a class is 50. |
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Table
| Step | Description | A | + | B | = | C |
|---|---|---|---|---|---|---|
1 |
Eighteen plus One is equal to Nineteen |
18 |
+ |
1 |
= |
19 |
2 |
Eighteen plus Two is equal to Twenty |
18 |
+ |
2 |
= |
20 |
3 |
Eighteen plus Three is equal to Twenty One |
18 |
+ |
3 |
= |
21 |
4 |
Eighteen plus Four is equal to Twenty Two |
18 |
+ |
4 |
= |
22 |
5 |
Eighteen plus Five is equal to Twenty Three |
18 |
+ |
5 |
= |
23 |
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