https://www.khanacademy.org/math/cc-fourth-grade-math/imp-place-value-and-rounding-2/imp-intro-to-place-value/v/place-value-tables 2022-10-06T09:48:27.705455518Z Place value tables Learn about how to use a place value table to break up a number. video https://cdn.kastatic.org/googleusercontent/JcfZ4I-frEYF_txFIqtAHBwUfCeJcWlQ2rKlfZC-l8WUIWK8EGVrAVc7W8GyD7j7UJezsZLionO6R76LjN1gnEiMjg Place value tables Learn about how to use a place value table to break up a number. https://cdn.kastatic.org/ka-youtube-converted/2njG0S_GuVA.mp4/2njG0S_GuVA.mp4 144 Knowing Numbers https://www.khanacademy.org/math/cc-fourth-grade-math/imp-place-value-and-rounding-2/imp-intro-to-place-value/e/place-value-tables 2024-09-18T11:58:55.357188868Z Place value tables Use place value tables to identify value of digits in a number. Lindsay exercise https://www.khanacademy.org/math/cc-fourth-grade-math/imp-place-value-and-rounding-2/imp-intro-to-place-value/e/place_value 2026-03-24T23:41:07.080866137Z Identify value of a digit Practice thinking about the value of each digit in a number. Marcia Lee exercise https://www.khanacademy.org/math/class-7-ncf/x063f95a40c290960:large-numbers-around-us/x063f95a40c290960:a-lakh-varieties/v/intro-to-lakhs-and-crores 2021-06-02T12:43:21Z Intro to lakhs and crores You probably know that lakhs and crores are big numbers. How big are they really? How many 1000 INR notes to do you need to have 1 Lakh? How many do you need to have 1 Crore? Aanand Srinivas video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Intro to lakhs and crores You probably know that lakhs and crores are big numbers. How big are they really? How many 1000 INR notes to do you need to have 1 Lakh? How many do you need to have 1 Crore? https://cdn.kastatic.org/ka-youtube-converted/UBkpwbH7-i0.mp4/UBkpwbH7-i0.mp4 586 Knowing Numbers https://www.khanacademy.org/math/class-7-ncf/x063f95a40c290960:large-numbers-around-us/x063f95a40c290960:a-lakh-varieties/v/reading-and-writing-large-numbers 2021-06-02T12:43:23Z Reading and writing large numbers A number like 143567821 is hard to read at first glance (perhaps even at second glance). How should we read numbers like these? How can we make it easier to read and write such large numbers? Aanand Srinivas video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Reading and writing large numbers A number like 143567821 is hard to read at first glance (perhaps even at second glance). How should we read numbers like these? How can we make it easier to read and write such large numbers? https://cdn.kastatic.org/ka-youtube-converted/RD_qY2EIlbI.mp4/RD_qY2EIlbI.mp4 312 Knowing Numbers https://www.khanacademy.org/math/class-7-ncf/x063f95a40c290960:large-numbers-around-us/x063f95a40c290960:a-lakh-varieties/e/read-larger-numbers 2021-04-29T07:53:44Z Write large numbers involving lakhs and crores Read large numbers Aanand exercise https://www.khanacademy.org/math/cc-fourth-grade-math/imp-place-value-and-rounding-2/writing-whole-numbers-in-written-form/v/writing-numbers-in-words-and-standard-form 2022-10-06T09:48:27.705455518Z Writing numbers in words and standard form Write whole numbers in words, and write numbers in word form in standard form. video https://cdn.kastatic.org/googleusercontent/6o_oOzaxW5zA9AjxIK9_0TwBGEu-B3jGzrcqUjG5yjUgEGWUtG3TWt3HRrdbdleVDD3MgDnb7a35DYONfuMGhEWM Writing numbers in words and standard form Write whole numbers in words, and write numbers in word form in standard form. https://cdn.kastatic.org/ka-youtube-converted/eLRMI2ZX5Qw.mp4/eLRMI2ZX5Qw.mp4 294 Knowing Numbers 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 https://www.khanacademy.org/math/tg-math-class-7-bridge/x2648a6cb9a4fb7d5:numbers-and-properties/x2648a6cb9a4fb7d5:introduction/e/b7-predecessors-and-successors 2024-04-29T13:47:52.677651699Z Predecessors and successors Predecessors and successors ashish exercise https://www.khanacademy.org/math/cc-fourth-grade-math/imp-place-value-and-rounding-2/imp-intro-to-place-value/v/largest-possible-number-from-4-digits-example 2021-05-07T00:21:34Z Creating the largest number Sal arranges digits to make the largest possible number. Sal Khan video https://cdn.kastatic.org/googleusercontent/0wIqMQ3XUZ6kuz7v0Z5kNAfYFXu3melMmX4heLx_Bhq13OKO9i5R6i2OnFsTqg6UKFYDAE1rooxTe-9zi8Sy3ie6 Creating the largest number Sal arranges digits to make the largest possible number. https://cdn.kastatic.org/ka-youtube-converted/k3qZCxL5TeE.mp4/k3qZCxL5TeE.mp4 138 Knowing Numbers https://www.khanacademy.org/math/cc-fourth-grade-math/imp-place-value-and-rounding-2/imp-intro-to-place-value/e/creating-largest-or-smallest-number 2026-04-07T23:55:07.30621384Z Creating largest or smallest number Sal arranges digits to make the largest or smallest possible number. Lindsay exercise https://www.khanacademy.org/math/cc-fourth-grade-math/imp-place-value-and-rounding-2/imp-comparing-multi-digit-numbers/v/comparing-multi-digit-numbers 2022-10-06T09:48:27.705455518Z Comparing multi-digit numbers Lindsay compares multi-digit numbers such as 350,000 and 53,000.  video https://cdn.kastatic.org/ka_thumbnails_cache/734cfba6-18b1-4b86-b2c9-6be59ac968e3_1280_720_base.png Comparing multi-digit numbers Lindsay compares multi-digit numbers such as 350,000 and 53,000.  https://cdn.kastatic.org/ka-youtube-converted/nrOA1U5jH6Q.mp4/nrOA1U5jH6Q.mp4 358 Knowing Numbers https://www.khanacademy.org/math/cc-fourth-grade-math/imp-place-value-and-rounding-2/imp-comparing-multi-digit-numbers/e/comparing-multi-digit-numbers 2026-04-07T22:23:57.656416987Z Compare multi-digit numbers Use your place value skills to practice comparing whole numbers. Lindsay exercise https://www.khanacademy.org/math/cc-fourth-grade-math/imp-place-value-and-rounding-2/imp-comparing-multi-digit-numbers/e/comparing-multi-digit-numbers-pv-challenge 2022-05-05T17:34:08.55241686Z Compare multi-digit numbers written in different forms Practice comparing multi-digit numbers in different forms. Lindsay exercise https://www.khanacademy.org/math/cc-fourth-grade-math/imp-addition-and-subtraction-2/imp-adding-multi-digit-numbers/v/adding-multi-digit-numbers-with-place-value 2021-06-24T19:33:07Z Relate place value to standard algorithm for multi-digit addition Transition from a place value chart to standard algorithm when adding multi-digit numbers.  video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Relate place value to standard algorithm for multi-digit addition Transition from a place value chart to standard algorithm when adding multi-digit numbers.  https://cdn.kastatic.org/ka-youtube-converted/DqaHhReVpZI.mp4/DqaHhReVpZI.mp4 382 Knowing Numbers https://www.khanacademy.org/math/cc-fourth-grade-math/imp-addition-and-subtraction-2/imp-adding-multi-digit-numbers/v/adding-multi-digit-numbers-with-regrouping 2021-06-30T17:51:14Z Adding multi-digit numbers: 48,029+233,930 Add 48,029+233,930 using the standard algorithm. video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Adding multi-digit numbers: 48,029+233,930 Add 48,029+233,930 using the standard algorithm. https://cdn.kastatic.org/ka-youtube-converted/TVtdqRNJmiw.mp4/TVtdqRNJmiw.mp4 138 Knowing Numbers https://www.khanacademy.org/math/cc-fourth-grade-math/imp-addition-and-subtraction-2/imp-adding-multi-digit-numbers/e/multi-digit-addition 2025-02-26T12:18:43.931206682Z Multi-digit addition Add whole numbers with sums less than 1,000,000. Lindsay exercise https://www.khanacademy.org/math/cc-fourth-grade-math/imp-addition-and-subtraction-2/imp-subtracting-multi-digit-numbers/v/understanding-place-value-when-subtracting 2021-06-24T19:33:07Z Relate place value to standard algorithm for multi-digit subtraction Transition from a place value chart to standard algorithm when subtracting multi-digit numbers.  video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Relate place value to standard algorithm for multi-digit subtraction Transition from a place value chart to standard algorithm when subtracting multi-digit numbers.  https://cdn.kastatic.org/ka-youtube-converted/XAPhD7EDQUk.mp4/XAPhD7EDQUk.mp4 398 Knowing Numbers https://www.khanacademy.org/math/cc-fourth-grade-math/imp-addition-and-subtraction-2/imp-subtracting-multi-digit-numbers/v/subtracting-multi-digit-numbers-with-regrouping 2021-06-30T17:51:15Z Multi-digit subtraction: 389,002-76,151 Subtract 389,002-76,151 using the standard algorithm. video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Multi-digit subtraction: 389,002-76,151 Subtract 389,002-76,151 using the standard algorithm. https://cdn.kastatic.org/ka-youtube-converted/buyK1y4rV3E.mp4/buyK1y4rV3E.mp4 201 Knowing Numbers https://www.khanacademy.org/math/cc-fourth-grade-math/imp-addition-and-subtraction-2/imp-subtracting-multi-digit-numbers/e/multi-digit-subtraction 2025-02-26T12:18:43.931206682Z Multi-digit subtraction Subtract whole numbers that are less than or equal to 1,000,000. Lindsay exercise https://www.khanacademy.org/math/arithmetic-home/arith-place-value/arith-comparing-multi-digit-numbers/v/comparing-multi-digit-numbers-word-problems 2022-10-07T02:31:07.468665539Z Comparing multi-digit whole numbers word problems Sal solves word problems that involve comparing multi-digit whole numbers. video https://cdn.kastatic.org/ka_thumbnails_cache/03771b1c-a96b-4170-bbab-e648c2881a8e_1280_720_base.png Comparing multi-digit whole numbers word problems Sal solves word problems that involve comparing multi-digit whole numbers. https://cdn.kastatic.org/ka-youtube-converted/PqyS66_mE24.mp4/PqyS66_mE24.mp4 352 Knowing Numbers https://www.khanacademy.org/math/arithmetic-home/arith-place-value/arith-comparing-multi-digit-numbers/e/compare-multi-digit-numbers-word-problems 2026-04-07T23:36:17.218592739Z Compare multi-digit numbers word problems Solve word problems by comparing whole numbers. eje exercise https://www.khanacademy.org/math/class-7-ncf/x063f95a40c290960:large-numbers-around-us/x063f95a40c290960:of-crores-and-crores/e/large-numbers-word-problems 2025-02-26T12:18:43.931206682Z Word problems involving lakhs and crores Practice adding, subtracting, multiplying and dividing large numbers with lakhs and crores like 2,35,483 and 3,37,42,490. Aanand exercise https://www.khanacademy.org/math/cc-fourth-grade-math/division/mult-division-word-problems/e/arithmetic_word_problems 2026-03-05T16:00:37.302781114Z Multiplication and division word problems Practice solving multiplication and division word problems. Some problems have remainders. Justin Helps exercise