Class 6 Mathematics | Algebraic Expressions

Mathematics, Class 6, Unit 12

Algebraic Expressions

Variables and constants · Add, subtract, multiply, divide · Rules from a rectangle

What we will be able to do

🔤

Tell a variable from a constant

🧩

Spot like and unlike terms

➕

Add and subtract expressions

✖️

Multiply monomials and binomials

➗

Divide to find a missing side

🔢

Put values in and find the answer

🎟️Constant

Entry fee Rs. 100

The same for every visitor

Only one value

🚣Variable

Number of rounds \( x \)

Can be 1, 2, 3 or more

Charge is Rs. \( 20x \)

The notes are free to read in full.

Presenter notes: Today we learn how a letter can stand for a number, and how to do all four operations with such letters.