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# Unit 1: Number Systems

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This lesson covers skills from the following lessons of the NCERT Math Textbook: (i) 1.1 - Introduction (ii) 1.2 - Irrational Numbers

### Practice

- Classify numbers: rational & irrationalGet 5 of 7 questions to level up!
- Classify numbersGet 5 of 7 questions to level up!

Level up on the above skills and collect up to 160 Mastery points

This lesson covers skills from the following lessons of the NCERT Math Textbook: (i) 1.2 -Real Numbers and their Decimal Expansion

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### Practice

- Writing fractions as repeating decimalsGet 5 of 7 questions to level up!
- Converting repeating decimals to fractionsGet 5 of 7 questions to level up!
- Converting multi-digit repeating decimals to fractionsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

This lesson covers skills from the following lessons of the NCERT Math Textbook: (i) 1.3 - Operations on Real Numbers

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### Practice

- Rational vs. irrational expressionsGet 3 of 4 questions to level up!
- Adding and subtracting irrational numbersGet 3 of 4 questions to level up!

This lesson covers skills from the following lessons of the NCERT Math Textbook: (i) 1.5 - Laws of exponents of real numbers

### Learn

### Practice

- Unit-fraction exponentsGet 3 of 4 questions to level up!
- Fractional exponentsGet 3 of 4 questions to level up!
- Evaluate radical expressions challengeGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

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Level up on all the skills in this unit and collect up to 1,000 Mastery points!