In this page we have *Worksheet for Algebraic Expressions and Identities Class 8 Maths Chapter 9 CBSE* . Hope you like them and do not forget to like , social share
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Use a suitable identity to get each of the following products.

(a) (p - 11) (p + 11)

(b) (2y + 5) (2y - 5)

(c) (12a - 9) (12a +9)

(d) (2a-1/2)(2a-1/2)

(e) (1.1m - 0.4) (1.1m + 0.4)

(f) (a

(g) (6x - 7) (6x + 7)

(h) (- a/2 + c/2) (- a/2 + c/2)

(i) [(p/8)+(3q/4)] [(p/8)+(3q/4)]

(j) (3a + 9b) (3a - 9b)

(k) 2(a - 9)

(l) 5(xy - 3z)

(m) (6x+ 5y)

(n) 36[(3p/2}) + (2q/3)]

(o) (x - 0.5y)

(p) (2xy - 5y)

Solution

Use the identity (x + a) (x + b) = x

(i) (p + 10) (p + 11)

(ii) (4x + 9) (4x + 12)

(iii) (x - 5) (x - 1)

(iv) (9x - 5) (9x - 1)

(v) (2x + 5y) (2x + 3y)

(vi) (2a

Solution

Simplify the following

(i) (x

(ii) (p + q)

(iii) (2m - 8n)

(iv) (4m + 5n)

(v) (.5p - 1.5q)

(vi) (ab - bc)

(vii) (m

Solution

Using identities, evaluate.

(a) 91²

(b) 89²

(c) 202

(d) 999²

(e) 1.2²

(f) 397 x 403

(g) 48 x 52

(h) 5.1

(i) 61

(j) 11.1

(k) 503 x 504

(l) 2.1 x 2.2

(m) 103 x 98

(n) 9.7 x 9.8

(o) 729

Solution

Find the value of x if 8x=35

Solution

(a) If a -1/a =4, find the value of a

(b) If p +q =13 and pq =22, then p

Solution

Download Worksheet for Algebraic Expressions and Identities as pdf

**Notes****Worksheets**-
**Ncert Solutions**- Algebraic Expressions and Identities NCERT solutions Exercise 9.1
- Algebraic Expressions and Identities NCERT solutions Exercise 9.2
- Algebraic Expressions and Identities NCERT solutions Exercise 9.3
- Algebraic Expressions and Identities NCERT solutions Exercise 9.4
- Algebraic Expressions and Identities NCERT solutions Exercise 9.5

Class 8 Maths Class 8 Science

Given below are the links of some of the reference books for class 8 Math.

- Mathematics Foundation Course for JEE/Olympiad : Class 8 This book can take students maths skills further. Only buy if child is interested in Olympiad/JEE foundation courses.
- Mathematics for Class 8 by R S Aggarwal Detailed Mathematics book to clear basics and concepts. I would say it is a must have book for class 8 student.
- Pearson Foundation Series (IIT -JEE / NEET) Physics, Chemistry, Maths & Biology for Class 8 (Main Books) | PCMB Combo : These set of books could help your child if he aims to get extra knowledge of science and maths. These would be helpful if child wants to prepare for competitive exams like JEE/NEET. Only buy if you can provide help to the child while studying.
- Reasoning Olympiad Workbook - Class 8 :- Reasoning helps sharpen the mind of child. I would recommend students practicing reasoning even though they are not appearing for Olympiad.

You can use above books for extra knowledge and practicing different questions.

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