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Lesson Example Discussion Quiz: Class Homework

Lesson

Title: Addition

Grade: 2-a Lesson: S1-L5

Explanation: Hello students; let us learn a new topic today with concepts, examples, and questions for you to solve.

Lesson:

Definition: Addition

  • Addition is the method of calculating the sum of two or more numbers.

  • The numbers that are added are known as the addends.

  • The symbol used for addition is (+), which is placed in between the addends.
1

.

Explanation: 15 + 15 = 30

Tip: Symbol of addition

  • The symbol of addition is indicated by "+" (also called the plus symbol).

  • The addition symbol is used to indicate the addition of numbers.

Definition: Addend

Addends refer to numbers or variables that are being added together.
2

.

Explanation: In this image 13, 17 are two addends. By adding them, we get the sum as 30.

Definition: Sum

The result of adding two or more numbers is called a sum.
3

.

Explanation: In this image 28, 20 are two addends. By adding them, we get the sum as 48.

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