SaiBook.us Addition

Lesson

Title: Addition

Grade: 1-a Lesson: S4-L5

Explanation: Hello students, let us learn a new topic in addition today with definitions, concepts, examples, and worksheets included.

Lesson:

Definition: Addition

When we bring two or more quantities together to make a larger quantity, it’s called addition or adding.

$1$

Explanation: 72 + 1 = 73

Definition: Addend

Two numbers are called Addends.

$2$

Explanation: Addend + Addend = Sum or Addition

Definition: Symbol

Symbols used to compare the values of two or more numbers or expressions.

$3$

Explanation: 70 + 9 = 79

Definition: Sum

Sum is the total of two or more numbers.

$4$

Explanation: For example: In above image 70 and 9 are the addend and we get sum is 79.