Question bank

Chapter-1   Knowing Our Numbers
Q-1 Fill in the blanks:
(a) With the invention of __________, the whole number system was formed.
(b) The whole number system starts with ________.
(c) _________ system uses 10 digits.
Q-2 True or False:
(a) Every natural number is not a whole number.
(b) The greatest one digit number is 9.
(c) If we add 1 to 9, we get the smallest 2-digit number 90.
Q-3 One word answer:
(a) Which is the greatest 2-digit number?
(b) Which is the largest 4-digit number?
(c) Which is the smallest 4-digit number?
Multiple Choice Questions
Q-1 The natural number system starts with ________.

(i)

1

(ii)

2

(iii)

3
Q-2 There are _______ numbers.

(i)

two

(ii)

infinite

(iii)

three
Q-3 The smallest natural number is _________.

(i)

1

(ii)

3

(iii)

4
Q-4 The smallest whole number is __________.

(i)

0

(ii)

1

(iii)

2
Chapter-2   Whole Numbers
Q-1 Fill in the blanks:
(a) The predecessor of 1 is ________.
(b) The predecessor of 2 is ________.
(c) The successor of a given whole number is 1 _________ than the given number.
Q-2 True or False:
(a) The successor of 0 is 1.
(b) The successor of 1 is 2.
(c) The successor of 19 is 20.
Q-3 One word answer:
(a) What is the sum of 4 and 3?
(b) Which is a line on which we represent numbers?
(c) Which is the largest 6-digit number?
Multiple Choice Questions
Q-1 Mathematicians call the counting number as __________ number.

(i)

natural

(ii)

whole

(iii)

none of these
Q-2 Every natural number has _________.

(i)

successor

(ii)

Whole number

(iii)

predecessor
Q-3 _______ is the first and the smallest whole number.

(i)

0

(ii)

1

(iii)

2
Q-4 The predecessor of a given whole number is 1 __________ than the given number.

(i)

more

(ii)

greater

(iii)

less
Chapter-3   Playing with Numbers
Q-1 Fill in the blanks:
(a) The world ________ gives the order in which various operations are performed.
(b) In BODMAS, B stands for _______.
(c) In BODMAS, O stands for ________.
Q-2 True or False:
(a) In BODMAS, M stands for multiplication.
(b) In BODMAS, S stands for sum.
(c) In BODMAS, D stands for division.
Q-3 One word answer:
(a) What is the HCF of 120 and 144?
(b) What is the HCF of Co-prime number?
(c) Does every number is a multiple of itself?
Multiple Choice Questions
Q-1 ( ) are known as _________ bracket, also called first bracket.

(i)

common

(ii)

uncommon

(iii)

perfect
Q-2 { } are known as curly bracket, also called ________ bracket.

(i)

first

(ii)

second

(iii)

none of these
Q-3 [ ] are know as square bracket, also called _________ bracket.

(i)

first

(ii)

second

(iii)

third
Q-4 — is known as ________.

(i)

line bracket

(ii)

bar

(iii)

both of these
Chapter-4   Integers
Q-1 Fill in the blanks:
(a) The opposite of 1 is _______.
(b) Opposite of 2 is ________.
(c) Opposite of 3 is _______.
Q-2 True or False:
(a) All the numbers with ‘+ve’ sign are called positive numbers.
(b) All the numbers with ‘–ve’ sign are called negative numbers.
(c) Zero is neither negative nor positive.
Q-3 One word answer:
(a) What is the opposite of increase in population?
(b) What is the opposite of 300 BC?
(c) Which is greater? -65 or -56.
Multiple Choice Questions
Q-1 A gain of 300 is written as _______.

(i)

+300

(ii)

-300

(iii)

none of these
Q-2 A loss of 300 is written as ______.

(i)

+300

(ii)

-300

(iii)

none of these
Q-3 Increase in temperature of 6° C is represented as ______.

(i)

+6 degree celsius

(ii)

-6 degree celsius

(iii)

none of these
Q-4 Decrease in temperature of 6° C is represented as _______.

(i)

+6 degree celsius

(ii)

-6 degree celsius

(iii)

none of these
Chapter-5   Fractions
Q-1 Fill in the blanks:
(a) One half is a fraction, written as _______.
(b) Fractions with the same denominator are called ________ fractions.
(c) Fractions with different denominators are called _______ fractions.
Q-2 True or False:
(a) A fraction with the numerator as 1 is called a unit fraction.
(b) 1/9 is a unit fraction.
(c) 2/5 is a unit fraction.
Q-3 One word answer:
(a) What is a fraction whose numerator is smaller than its denominator called?
(b) What is a fraction whose numerator is greater than or equal to its denominator called?
(c) What becomes the natural number part?
Multiple Choice Questions
Q-1 Fraction indicates _______ parts of a whole things.

(i)

equal

(ii)

unequal

(iii)

none of these
Q-2 1/2 means that one whole thing is divided into _________ equal parts.

(i)

two

(ii)

three

(iii)

4
Q-3 A _______ is a quantity which expresses a part of the whole.

(i)

fraction

(ii)

decimal

(iii)

integer
Q-4 In 4/5, 4 is the ______.

(i)

numerator

(ii)

denominator

(iii)

fraction
Chapter-6   Decimals
Q-1 Fill in the blanks:
(a) The dot (.) is called the _______ point.
(b) The numbers written in decimal form are called decimal number or simply _______.
(c) The decimal point is used to separate the ones place from the _______ place in decimals.
Q-2 True or False:
(a) A decimal may have both a whole number part and a fractional part.
(b) The whole number part of a decimal are those digits to the left of the decimal point.
(c) The fractional part of a decimal is represented by the digits to the right of the decimal point.
Q-3 One word answer:
(a) Which is a whole number part in 5.8?
(b) Which is a fractional part in 5.8?
(c) Which is a fractional part in 8.5?
Multiple Choice Questions
Q-1 The fractions in which the denominators are 10, 100, 1000, etc; are known as _________ fractions.

(i)

integer

(ii)

decimal

(iii)

proper
Q-2 2/10 is a _______ fraction.

(i)

integer

(ii)

decimal

(iii)

none of these
Q-3 1/10 fractions names the number _______.

(i)

one-ninth

(ii)

one-tenth

(iii)

none of these
Chapter-7   Algebra
Q-1 Fill in the blanks:
(a) The sum of literal x and a number 6 is _________.
(b) Y more than x is written as __________.
(c) The letters which are used to represent or replace numbers are known as ________ numbers.
Q-2 True or False:
(a) 6 times x is x × 6 , written as 6+x.
(b) The product of x and y is x × y written as xy.
(c) x divided by y is written as x/y.
Q-3 One word answer:
(a) How is x divided by 6 written?
(b) How is 34 divided by x written?
(c) What is a symbol of having a fixed numerical value called?
Multiple Choice Questions
Q-1 ________ is a generalized form of Arithmetic.

(i)

Algebra

(ii)

Integer

(iii)

none of these
Q-2 Number patterns can be used to help you discover ways to represent certain types of numbers using ________.

(i)

variables

(ii)

constants

(iii)

none of these
Q-3 2 is an ______ number.

(i)

even

(ii)

odd

(iii)

none of these