Mathematics Chapter 1 Rational Numbers
Maths Rational Numbers
Rational Numbers
Addition and subtraction of rational numbers
Complete exercise 1.3
Maths Rational Numbers
Rational Numbers
Addition and subtraction of rational numbers
Complete exercise 1.3
Complete Exercise 2.4
Answers
Complete
S.T.E.S CHANDI
STD:VIII. SUB:MATHS
CHAPTER TEST : 1
1. What are the multiplicative and additive identities of rational numbers?
2. Write the additive inverse of 19/-6 and -⅔
3. Write the multiplicative inverse of -13/19 and -7
4. Mention a rational number which has no reciprocal.
5. Mention any 4 rational numbers which are less than 5.
6. Mention the commutativity, associative and distributive properties of rational numbers. Also, check a × b = b × a and a + b = b + a for a = ½ and b = ¾
7. Write any 5 rational numbers between −2/5 and ½.
8. If the product of any two rational numbers is 2 and one of them is 1/7, find the other?
9. Mr X went shopping with a certain amount of money. He spent Rs. 10(¼) on buying a pen and Rs. 25(¾) in food. He then gave the remaining Rs. 16(½) to his friend. Calculate how much money he initially had.
10. Represent −𝟐/𝟏𝟏, −𝟓/𝟏𝟏, and −𝟗/ 𝟏𝟏 on the number line.
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Understand and solve:
Complete exercise 5.1
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