Numbers and operations videos

Converting a fraction to a repeating decimal

Converting repeating decimals to fractions (part 1 of 2)

Converting repeating decimals to fractions (part 2 of 2)

Intro to cube roots

Intro to square roots

Worked example: Cube root of a negative number

Square root of decimal

Dimensions of a cube from its volume

Intro to rational & irrational numbers

Classifying numbers

Classifying numbers: rational & irrational

Worked example: classifying numbers

Approximating square roots

Comparing irrational numbers with radicals

Approximating square roots to hundredths

Comparing values with calculator

Exponents with negative bases

The 0 & 1st power

Even & odd numbers of negatives

Powers of zero

Sign of expressions challenge problems

1 and -1 to different powers

Exponent properties with products

Exponent properties with parentheses

Exponent properties with quotients

Negative exponent intuition

Negative exponents

Multiplying & dividing powers (integer exponents)

Powers of products & quotients (integer exponents)

Powers of zero

Multiplying multiples of powers of 10

Approximating with powers of 10

Scientific notation example: 0.0000000003457

Scientific notation examples

Subtracting in scientific notation

Multiplying three numbers in scientific notation

Multiplying & dividing in scientific notation

Simplifying in scientific notation challenge

Scientific notation word problem: red blood cells

Scientific notation word problem: U.S. national debt

Scientific notation word problem: speed of light