# Numbers and operations

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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 testLearn

Practice

Writing fractions as repeating decimals

7 questions

Practice

Converting repeating decimals to fractions 1

7 questions

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Converting multi-digit repeating decimals to fractions

4 questions

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Square roots

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Cube roots

7 questions

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Equations with square roots & cube roots

7 questions

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Roots of decimals & fractions

7 questions

Practice

Square and cube challenge

7 questions

Practice

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Approximating square roots

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Comparing irrational numbers

7 questions

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Comparing irrational numbers with a calculator

7 questions

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Multiply powers

100%

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Powers of powers

100%

100%

Divide powers

100%

100%

Powers of products & quotients (structured practice)

5 questions

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Powers of products & quotients

100%

100%

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Identify your areas for growth in these lessons:

Identify your areas for growth in these lessons:

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Adding & subtracting in scientific notation

4 questions

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Test your understanding of

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

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.