Lesson |
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Title: Addition |
Grade: 1-a Lesson: S2-L1 |
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 15 and 5, we get the sum 20. |
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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 11 and 3 are addends and 14 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, Rahan has 11 pencils and his friend gave him another 2 pencils, and the total number of pencils Rahan had 13. |
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Table
| Step | Description | A | + | B | = | C |
|---|---|---|---|---|---|---|
1 |
Eleven plus One is equal to Twelve |
11 |
+ |
1 |
= |
12 |
2 |
Eleven plus Two is equal to Thirteen |
11 |
+ |
2 |
= |
13 |
3 |
Eleven plus Three is equal to Fourteen |
11 |
+ |
3 |
= |
14 |
4 |
Eleven plus Four is equal to Fifteen |
11 |
+ |
4 |
= |
15 |
5 |
Eleven plus Five is equal to Sixteen |
11 |
+ |
5 |
= |
16 |
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