Question 1 :
Subtract : - $m^{2}$ + 5mn from 4$m^{2}$ - 3mn + 8

Question 2 :
Identify the numerical coefficients of terms (other than constants ) in the given expression $1+t+t^2+t^3$.

Question 4 :
What should be subtracted from 2a + 8b + 10 to get - 3a + 7b + 16?

Question 7 :
If m = 2, find the value of: $\dfrac{5m}{2}$ - 4

Question 8 :
Identify, in the given expression, terms which are not constants. Give their numerical coefficients: $13-y^{2}$

Question 9 :
Simplify the expression and find the value if x=3 , a=-1 , b=-2 for $3x-5-x+9$.

Question 10 :
Identify the numerical coefficients of terms (other than constants ) in the given expression $2\left(l+b\right)$.

Question 12 :
Get the algebraic expression in the following case using variables, constants and arithmetic operations. One - half of the sum of number x and y.

Question 13 :
Get the algebraic expression using variables , constants , and arithmetic operations - The number z multiplied by itself .

Question 14 :
Identify factors in the expression given below: $0\cdot 1p^{2} + 0\cdot 2q^{2}$

Question 15 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c93ff59b460d7261e967.jpeg' /> In the given figure, Observe the patterns of digits made from line segments in the given figure . If the number of digits formed is taken to be n , the number of segments required to form n digits is given by the algebraic expression appearing on the right of each pattern . How many segments are required to form 5,10,100 digits of the above kind .

Question 16 :
Identify the numerical coefficients of terms (other than constants) in expression: $ - p^{2}q^{2}$ + 7pq

Question 17 :
Classify whether the expression is a monomial , binomial or trinomial $4y-7z$.

Question 19 :
Add : 3mn , - 5mn , 8mn , - 4mn

Question 24 :
State whether a given pair of terms is of like or unlike terms. 12xz, $12x^{2}z^{2}$

Question 25 :
Identify the term which contain x and give its coefficient in $1+x+xy$.

Question 26 :
Get the algebraic expression using variables , constants , and arithmetic operations - Products of numbers y and z subtracted from 10 .

Question 27 :
State whether a given pair of terms is of like or unlike terms. - 7x, $\dfrac{5}{2}x$

Question 29 :
If a = 2, b = - 2, find the value of: $a^{2}$ + ab + $b^{2}$

Question 31 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1a9d78c526e972caefd6.jpeg' /> State true or false: In the given figure, the tree diagram is a correct representation of the terms and their factors of the exression $y-y^3$.

Question 33 :
Simplify the expression and find their values if x = 3, a = - 1, b = - 2. 3a + 5 - 8a + 1

Question 35 :
State if the given pair of expressions are like or unlike. $7x, 12y$

Question 36 :
The given pair of terms $-7x\ ,\ \frac{5}{2}x$ are like terms ?

Question 39 :
Classify into monomials, binomials and trinomials: - ab - a - b

Question 40 :
If z = 10, find the value of $z^{3}$ - 3 (z - 10)

Question 41 :
Identify factors in the expression given below: - 4x + 5

Question 42 :
Add : 14x + 10y - 12xy - 13, 18 - 7x - 10y + 8xy , 4xy

Question 43 :
Simplify the expression and find the value if x=3 , a=-1 , b=-2 for $10-3b-4-5b$.

Question 44 :
Get the algebraic expression in the following case using variables, constants and arithmetic operations. Number x and y both squared and added.

Question 46 :
Get the algebraic expression using variables , constants , and arithmetic operations - Sum of numbers a and b subtracted from their product .

Question 48 :
Identify the numerical coefficients of terms (other than constants) in expression: 1 + t + $t^{2}$ + $t^{3}$

Question 50 :
In the expression $n^2+1$ the 5th , 10th term will be?