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  • Subjects
  • Mathematics State Board
  • Class 9
  • Real Numbers

Decimal Expansion of Rational and Irrational numbers

Theory

1. Decimal expansion of rational numbers
2. Summary of reciprocal of natural number
3. Period of decimal expansion
4. Convert the decimal form of rational numbers to fractional form
5. Check whether the decimal form of rational number will terminate or non-terminate
6. Decimal expansion of irrational number
7. Some facts about irrational numbers
8. Finding irrational numbers between two numbers
9. Introduction to real numbers

Exercises

1. Determine the decimal expansion and its nature

Difficulty: easy

4
2. Express the recurring decimal to terminating decimal

Difficulty: easy

3
3. Classify the decimal expansion

Difficulty: easy

3
4. Modify the decimal expression in fraction form

Difficulty: medium

4
5. Express the decimal number in rational form

Difficulty: medium

4
6. Switch the decimal expression in fraction form

Difficulty: medium

3
7. Write the decimal expression in fraction form

Difficulty: hard

6
8. Transform the decimal expression in fraction form

Difficulty: hard

4
9. Transform the decimal expression in fraction form

Difficulty: hard

5

Tests

1. Training test

Difficulty: medium

11

Teacher manuals

1. Methodical recommendation

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