CBSE Class 8 Maths Worksheet
Algebraic Expressions And Identities - Addition and Subtraction of Algebraic expressions
1.
Add ab – bc, bc – ca, ca – ab
2.
Find the product of monomial. 2h ,(-4hy)
3.
Find the product of monomial. -5y ,(-5y)
4.
Subtract: 5h2 – 4y2 + 6y – 3 from 7h2 – 4hy + 8y2 + 5h – 3y.
5.
Find the product of monomial. (*9h2y2) , (-9h2y2)
6.
Fill in the blanks: When we multiply monomials the products is also a ___________
7.
Find the product of monomial. 7h2y , 7h2y
8.
Fill in the blanks: We use the rule for exponents and powers when we multiply __________
9.
Simplify 2x(2x – 3) + 5 and find its value at x =2
10.
Find the value of: x4 – 1/6 at x= -1
11.
Find the product of monomial. -4hy , (-9h2y2)
12.
Find the product of monomial. 4p3, – 3p
13.
Subtract: 4a – 7ab + 3b + 12 from 12a – 9ab + 5b – 3
14.
Find the product of monomial. – 4p, 7pq
15.
Fill in the blanks: The numerical factor of a term is called its _______
16.
Subtract: 3hy + 5yz – 7zh from 5hy – 2yz – 2zh + 10hyz
17.
Find the product of monomial. – 4p, 7p
18.
Subtract: 4p2q – 3pq + 5pq2 – 8p + 7q – 10 from 18 – 3p – 11q + 5pq – 2pq2 + 5p2q
19.
Find the product of monomial. 4, 7p
20.
Find the product of monomial. -5y,2h
CBSE Class 8 Maths Worksheet
Algebraic Expressions And Identities - Addition and Subtraction of Algebraic expressions
Answers
1.
0+0+0
2.
(-8h2y)
3.
25y2
4.
2h2-4hy+12y2+5h-9y+3
5.
81h4y4
6.
monomial
7.
49h4y2
8.
Variables
9.
Option C
10.
Option A
11.
36h3y3
12.
(-12p4)
13.
8a-2ab+2b-15
14.
(-28pSqq)
15.
Coefficient
16.
2hy-7yz+5zh+10hyz
17.
(-28p sq.)
18.
28+5p-18q+8pq-7pq2+p2q
19.
28p
20.
(-10hy)
