## Simple Equations

*Worksheet based on NCERT Chapter on Simple Equations*

**Fill in the blanks**

① The equation 2x - 5 - 20 is an example of ___________ equation.

② The degree of an unknown means the _________ of the unknown.

③ (a + b)

^{2}= a

^{2}+ b

^{2}+ 2ab is an example of ________.

④ A quantity which has a fixed numerical value is called _________.

⑤ If RHS and LHS expressions are interchanged will the equation remain ______ (same/different).

⑥ While solving an equation if we add a quantity to one side, we must ________ the same quantity to the other side.

⑦ If p + 3 = 9 then value of p is ________

⑧ The difference between two consecutive odd numbers is _________

⑨ _________ values means one after the other in regular order.

⑩ An __________ is a condition of equality between two mathematical expressions.

⑪ if q ÷ 6 = 7, the value of q is _________.

⑫ The sum of two numbers is 33. If one number is 18, what is the other number?

⑬ The value of the variable for which the equation is satisfied is called the ______ of the equation.

⑭ Form an equation if on adding 3 to a number the result is 4.

⑮ Find the measure of each angle of an equilateral triangle.

Answers:

1: linear

2: power

3: identity

4: constant

5: same

6: add

7: 6

8: 2

9: consecutive

10: equation

11: 42

12: 15

13: solution

14: p + 3 = 4

15: 60°

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