Page 20 - Maths Skill - 6

T
2 2 The Other Side of Zerohe Other Side of Zero

Learning Outcomes
In this chapter, you will learn about :
� Need of negative numbers � Addition of integers with the help of a number line
� Integers � Addition of integers without using a number line
� Integers in Real Life � Subtraction of integers with the help of a number line
� Representation of integers on a number line � Subtraction of integers without using a number line
� Ordering of integers � Brahmagupta’s Rule
� Absolute value of an integer � Explorations with Integers
� Credit and Debit Concepts

Boot-Up (To Recapitulate Previous Knowledge of Concepts)
COMPETENCY BASED QUESTIONS

A. Multiple-Choice Questions
1. A number which is exactly divisible by 2 is called a/an
(i) even number (ii) odd number (iii) prime number (iv) composite number

2. A number which is not exactly divisible by 2 is called a/an
(i) even number (ii) odd number (iii) prime number (iv) composite number
3. A number having only two factors which is number 1 and the number itself is called
(i) even number (ii) odd number (iii) prime number (iv) composite number
4. Which of the following is the smallest whole number?
(i) 0 (ii) 1 (iii) 4 (iv) 10

5. Which of the following is the smallest prime number?
(i) 0 (ii) 1 (iii) 2 (iv) 3
B. Fill in the Blanks
1. The smallest natural number is ________. 2. The successor of number 9 is ________.

3. The predecessor of number 1 is ________. 4. The successor of number 0 is ________.

C. Write ‘T’ for true and ‘F’ for false Statements
1. A number ‘0’ is smaller than 5000 ÷ 5000.

2. 0 ÷ 20 yields the quotient as a natural number.

3. If a number is divided by itself the quotient is always number itself.

4. The number ‘80’ is larger than 40 + (39 + 1).

5. 0 is the multiplicative identity for whole number.