Main content

Numbers and operations

Learn
Converting a fraction to a repeating decimalConverting repeating decimals to fractions (part 1 of 2)Converting repeating decimals to fractions (part 2 of 2)Writing repeating decimals as fractions reviewWriting fractions as repeating decimals review
Practice
Writing fractions as repeating decimalsGet 5 of 7 questions to level up!
Learn
Intro to square rootsSquare roots of perfect squaresIntro to cube rootsWorked example: Cube root of a negative numberSquare root of decimalDimensions of a cube from its volumeSquare roots reviewCube roots review
Practice
Square rootsGet 5 of 7 questions to level up!
Cube rootsGet 5 of 7 questions to level up!
Equations with square roots & cube rootsGet 3 of 4 questions to level up!
Roots of decimals & fractionsGet 3 of 4 questions to level up!
Square and cube challengeGet 3 of 4 questions to level up!
Learn
Intro to rational & irrational numbersClassifying numbers: rational & irrationalClassifying numbersClassifying numbers reviewWorked example: classifying numbers
Practice
Classify numbers: rational & irrationalGet 5 of 7 questions to level up!
Classify numbersGet 5 of 7 questions to level up!
Learn
Approximating square rootsApproximating square roots walk throughComparing irrational numbers with radicalsApproximating square roots to hundredthsComparing values with calculator
Practice
Approximating square rootsGet 3 of 4 questions to level up!
Comparing irrational numbersGet 5 of 7 questions to level up!
Learn
Exponents with negative basesThe 0 & 1st powerEven & odd numbers of negatives1 and -1 to different powersSign of expressions challenge problemsPowers of zero
Practice
Exponents with integer basesGet 5 of 7 questions to level up!
Exponents with negative fractional basesGet 3 of 4 questions to level up!
Signs of expressions challengeGet 3 of 4 questions to level up!
Learn
Exponent properties with productsExponent properties with parenthesesExponent properties with quotientsExponent properties review
Practice
Multiply powersGet 3 of 4 questions to level up!
Powers of powersGet 3 of 4 questions to level up!
Divide powersGet 3 of 4 questions to level up!
Powers of products & quotientsGet 3 of 4 questions to level up!
Learn
Negative exponentsNegative exponent intuitionNegative exponents review
Practice
Negative exponentsGet 3 of 4 questions to level up!
Learn
Multiplying & dividing powers (integer exponents)Powers of products & quotients (integer exponents)Powers of zero
Practice
Learn
Multiplying multiples of powers of 10Approximating with powers of 10
Practice
Approximating with powers of 10Get 3 of 4 questions to level up!
Learn
Scientific notation example: 0.0000000003457Scientific notation examplesScientific notation review
Practice
Scientific notationGet 5 of 7 questions to level up!
Learn
Multiplying & dividing in scientific notationMultiplying three numbers in scientific notationSubtracting in scientific notationSimplifying in scientific notation challenge
Practice
Learn
Scientific notation word problem: red blood cellsScientific notation word problem: U.S. national debtScientific notation word problem: speed of light
Practice
Scientific notation word problemsGet 3 of 4 questions to level up!

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.