# Numbers and operations

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Take Quiz 1 to identify your areas for growth. We'll recommend lessons for exactly what you need to learn.

Lessons

Repeating decimalsSquare roots & cube rootsIrrational numbersQuiz 1Approximating irrational numbersExponent properties intro Quiz 2Negative exponentsExponent properties (integer exponents)Quiz 3Working with powers of 10Scientific notation introQuiz 4Arithmetic with numbers in scientific notationScientific notation word problemsUnit testPractice

Quizzes

Unit test

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Writing fractions as repeating decimals

7 questions

Practice

Converting repeating decimals to fractions

7 questions

Practice

Converting multi-digit repeating decimals to fractions

4 questions

Practice

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Practice

Square roots

100%

100%

Cube roots

100%

100%

Equations with square roots & cube roots

7 questions

Practice

Roots of decimals & fractions

7 questions

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Square and cube challenge

7 questions

Practice

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Approximating square roots

100%

100%

Comparing irrational numbers

7 questions

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Comparing irrational numbers with a calculator

7 questions

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Multiply powers

100%

100%

Powers of powers

100%

100%

Divide powers

100%

100%

Powers of products & quotients

100%

100%

Identify your areas for growth in these lessons:

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Identify your areas for growth in these lessons:

Identify your areas for growth in these lessons:

Learn

Practice

Adding & subtracting in scientific notation

4 questions

Practice

Test your understanding of

**Numbers and operations**with these 15 questions.About this unit

Math is all about numbers (like 89 and 3.14) and operations (like addition and multiplication). In these tutorials, we learn about a some new types of numbers and some new types of operations.