Q1.
Write
in exponential form.
Q2.
Write the coefficient of
Q3.
Write the following using literals, numbers and signs of basic operations:
(i)
is decreased by
.
in
(ii) the difference of
.
, when
.
Q4.
Write the following statement using literals, numbers and signs of basic
operations:
Nine times a number
is less than a number .
Q5.
Is has cores
Q6.
her marks in both the subjects?
Write the expression for: times
Q7.
Identify like terms in the following:
marks in mathematics and
added to
marks in science. What is the total of
times
Q8.
Add:
Q9.
Identify the operations in the expression
Q10.
Amit covers
Q11.
twenty steps?
To make one the number of matchsticks required is
.
in one step. How many centimeters does he cover in
. Anita wishes to make
’s. State the rule that she should use to find the number of matchsticks required
Q12.
and thus find the number of matchsticks used by her.
Meena spends rupees in one day. How much money will she spend in
Q13.
Write a statement for the expression
Q14.
Rohit has
rupees. He spends
days?
.
rupees on an ice- cream and
rupees to buy a
burger. How much money is left with him?
Q15.
What is the mathematical expression for the statement, Quotient of
Q16.
is multiplied by n.
Which one out of the following is an expression with numbers only?
(i)
divided by
(ii)
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Q17.
Solve the following equation and verify the answer:
Q18.
Solve the following equation and verify the answer:
Q19.
Solve the following equation and verify the answer:
Q20.
If
is added to certain number, the result is
. Find the number.
Answers
A1.
A2.
A3.
(i)
(ii)
A4.
A5.
A6.
A7.
A8.
A9.
A10.
Multiplication and subtraction
A11.
A12.
A13.
Eight is added to the quotient of
divided by three.
A14.
A15.
A16.
A17.
A18.
A19.
A20.
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