https://www.khanacademy.org/math/arithmetic-home/arith-place-value/arith-ways-to-write-whole-numbers/v/place-value-2 2023-07-15T00:11:26.720681059Z Writing a number in standard form This video demonstrates converting large numbers from expanded and written form to standard form. Using the example "six hundred forty-five million five hundred eighty-four thousand four hundred sixty-two," it explains the process and arrives at 645,584,462, emphasizing place value understanding. Sal Khan video https://cdn.kastatic.org/googleusercontent/1gD0Av4hlcMrKfbtsCIXNN0nXne7z_lVSextHkScwyOWCNBq3g8uIntkoACr4jgmB1r_Ygsm-nMOW7jM8EMIAqwK Writing a number in standard form This video demonstrates converting large numbers from expanded and written form to standard form. Using the example "six hundred forty-five million five hundred eighty-four thousand four hundred sixty-two," it explains the process and arrives at 645,584,462, emphasizing place value understanding. https://cdn.kastatic.org/ka-youtube-converted/wd4cRAoBOiE.mp4/wd4cRAoBOiE.mp4 249 Escribir números https://www.khanacademy.org/math/cc-fifth-grade-math/imp-place-value-and-decimals/imp-decimals-in-expanded-form/v/expanding-out-a-decimal-by-place-value 2023-09-28T02:54:48.621647163Z Write decimals in expanded form To write a decimal in expanded form, we need to break down each digit according to its place value. Start with the whole number portion, identifying the hundreds, tens, and ones places. Then, move on to the tenths, hundredths, and thousandths places. Keep in mind the order of operations when combining the expanded terms. Sal Khan video https://cdn.kastatic.org/googleusercontent/2zQnhv6LRfetV5h8azEEg9yF1sIbG6GxrJ83QwfjOCf-TQ1njLQ-eVG3dkvMl4lCd2KUqkeVJ1odaxnXCqWUaCs Write decimals in expanded form To write a decimal in expanded form, we need to break down each digit according to its place value. Start with the whole number portion, identifying the hundreds, tens, and ones places. Then, move on to the tenths, hundredths, and thousandths places. Keep in mind the order of operations when combining the expanded terms. https://cdn.kastatic.org/ka-youtube-converted/he4kcTujy30.mp4/he4kcTujy30.mp4 173 Escribir números https://www.khanacademy.org/math/mat-5-basico/x8e498382ed2ddd2c:numeros-de-mas-de-6-digitos-y-menores-a-1-000-millones/x8e498382ed2ddd2c:escribir-numeros/v/writing-numbers-in-words-and-standard-form-test-1 2026-03-04T15:40:35.995926778Z Writing numbers in words and standard form Writing numbers in words and standard form in local counting system (known as Indo-Arabic system). Agami video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Writing numbers in words and standard form Writing numbers in words and standard form in local counting system (known as Indo-Arabic system). https://cdn.kastatic.org/ka-youtube-converted/fVxAsMle0Fw.mp4/fVxAsMle0Fw.mp4 409 Escribir números https://www.khanacademy.org/math/cc-fourth-grade-math/imp-place-value-and-rounding-2/imp-ways-to-write-whole-numbers-expanded-form-and-written-form/e/numbers-in-expanded-form 2025-06-24T14:45:48.382773549Z Write whole numbers in expanded form Practice reading and writing numbers written in expanded form.  Lindsay exercise