# 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 rootsQuiz 1Irrational numbersApproximating irrational numbersQuiz 2Exponent properties intro Negative exponentsExponent properties (integer exponents)Quiz 3Working with powers of 10Scientific notation introArithmetic with numbers in scientific notationScientific notation word problemsQuiz 4Unit 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

7 questions

Practice

Cube roots

7 questions

Practice

Equations with square roots & cube roots

7 questions

Practice

Roots of decimals & fractions

7 questions

Practice

Square and cube challenge

7 questions

Practice

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Practice

Approximating square roots

7 questions

Practice

Comparing irrational numbers

7 questions

Practice

Comparing irrational numbers with a calculator

7 questions

Practice

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Multiply powers

4 questions

Practice

Powers of powers

4 questions

Practice

Divide powers

4 questions

Practice

Powers of products & quotients (structured practice)

5 questions

Practice

Powers of products & quotients

4 questions

Practice

Practice

Negative exponents

4 questions

Practice

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Practice

Multiply & divide powers (integer exponents)

7 questions

Practice

Powers of products & quotients (integer exponents)

4 questions

Practice

Properties of exponents challenge (integer exponents)

8 questions

Practice

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Practice

Multiplication and division with powers of ten

7 questions

Practice

Approximating with powers of 10

4 questions

Practice

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Practice

Multiplying & dividing in scientific notation

4 questions

Practice

Adding & subtracting in scientific notation

4 questions

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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.