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Topic: NumberClass:4thAge: 9 yearsMedium: English

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Programmed Instructional material

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Objectives

At the end of this module you will be able to-1. To know about numbers2.To know about different types of number.

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Numbers A number is a quantity that tells us how many times

a unit is contained in a given quantity. Therefore, it signifies one or more units, or denotes one or more distinct objects of the same kind.

TYPES OF NUMBERS1. UNIT: A unit denotes a single thing as one

pen ,one pencil etc.2. DIGITS: Digit denotes 1,2,3,..........9 and 0.3. EVEVN NUMBERS: Numbers divisible by 2,

e.g.,2,4,6,8,10 etc.

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4. ODD NUMBERS: odd numbers are not divisible by 2,e.g., 1,3,5,7,9etc.

5. PRIME NUMBER: A natural number , other than 1, is a prime number if it is divisible by 1 and the number itself, e.g., 1,3,5,etc.

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Q1: Which of the following is a prime number?

- 21

- 15

- 17

- 9

B

C

D

A

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Q2: Which of the following is not an even number?

- 9

- 6

- 8

- 22

B

C

D

A

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Q3: The sum of any two even number is always?

- An even number

- Odd number

- Prime number

- None of the above

B

C

D

A

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Q4:101, (?), 121,131,141. Complete the series?

- 201

- 110

- 111

- 151

B

C

D

A

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Q5: 63, 56, 49, (?), 35, 28.Find the missing value?

- 40

- 38

- 45

- 42

B

C

D

A

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Congratulations you have Scored 50 marks!