Page 9 - Maths Skills - 8

Rational Numb
1 1 Rational Numbersers

Learning Outcomes

In this chapter, you will learn about:
� Rational numbers � Operations on rational numbers
� Comparison of rational numbers � Absolute value of a rational number
� Standard form of a rational number � Properties of rational numbers
� Representation of rational numbers on the number line � Rational numbers between two rational number

Boot-Up (To Recapitulate Previous Knowledge of Concepts)

COMPETENCY BASED QUESTIONS

A. Multiple-Choice Questions
1. Which of the following are included in rational numbers?
(i) Only integers (ii) Only fractions
(iii) Both integers and fractions (iv) None of these

2. Which of the following rational numbers is not in the standard form?
(i) – 24/32 (ii) –1/3 (iii) – 2/7 (iv) 1/–2
3. The reciprocal of a ____________ rational number is negative only.

(i) positive (ii) negative (iii) none of above (iv) any
4. The integer ____________ can be written as 0/2, 0/5 and 0/9.
(i) 0 (ii) 10 (iii) 100 (iv) None of these

B. Fill in the Blanks

1. The number ____________ is neither a positive nor a negative rational number.
2. The numbers 1/2 and ____________ will be equidistant from 0.
3. ____________ is the standard form of – 32/64.

4. We can find ____________ number of rational numbers between any two given rational numbers.

C. Write ‘T’ for true and ‘F’ for false Statements
1. 7/5 is greater than – 7/5.

2. While adding two rational numbers with same denominator, only denominators are added.

3. Every rational number is an integer.

4. The product of a rational number and its reciprocal is 1.