https://www.khanacademy.org/math/arithmetic-home/multiply-divide/multi-digit-mult/v/2-digit-times-1-digit-example-no-carrying 2021-07-07T20:19:24Z Multiplying 2-digit by 1-digit Learn to multiply a 2-digit number by a 1-digit number without regrouping.  In this video, we will multiply 32x3. Sal Khan video https://cdn.kastatic.org/googleusercontent/O3kee0-blZJfNZDb4L1tKQDXfTRlwlndwViSSXHeAqbHRBsrekbIJO4-R3Z74hH5xnjW-_N0n5hunPGoEfpRzFun Multiplying 2-digit by 1-digit Learn to multiply a 2-digit number by a 1-digit number without regrouping.  In this video, we will multiply 32x3. https://cdn.kastatic.org/ka-youtube-converted/k68CPfcehTE.mp4/k68CPfcehTE.mp4 111 Multiplication of whole numbers with products up to 10,000 https://www.khanacademy.org/math/cc-fourth-grade-math/imp-multiplication-and-division-2/multiply-with-partial-products/v/3-digit-times-1-digit-example-no-carrying 2021-07-07T20:19:25Z Multiplying 3-digit by 1-digit Learn to multiply a 3-digit number by a 1-digit number without regrouping.  In this video, we will multiply 4x201. Sal Khan video https://cdn.kastatic.org/googleusercontent/hq_fjQFgYWDg02j7J3AEZT2hnTP4DZNhgW2idsQJuY-4Qamy-wX0skrWzfbCD_ysbCGmKqgOVnDEiaA_BL2hWz02BA Multiplying 3-digit by 1-digit Learn to multiply a 3-digit number by a 1-digit number without regrouping.  In this video, we will multiply 4x201. https://cdn.kastatic.org/ka-youtube-converted/4BtXvopHXI8.mp4/4BtXvopHXI8.mp4 114 Multiplication of whole numbers with products up to 10,000 https://www.khanacademy.org/math/cc-fourth-grade-math/imp-multiplication-and-division-2/multiply-with-partial-products/e/multiplication_1.5 2021-07-25T17:04:00.014467667Z Multiply without regrouping Multiply 2- or 3-digit numbers by 1-digit numbers. No regrouping or carrying. Marcia Lee exercise https://www.khanacademy.org/math/cc-fourth-grade-math/imp-multiplication-and-division-2/multiply-with-partial-products/v/3-digit-times-1-digit-example 2021-07-07T20:19:26Z Multiplying 3-digit by 1-digit (regrouping) Learn to multiply a 3-digit number by a 1-digit number using regrouping.  In this video, we will multiply 7x253. Sal Khan video https://cdn.kastatic.org/googleusercontent/fEQHzYRLpcMdM7XGbwTXJ-J718LxJMK3f56oApWhG2PfjAob7NnTTCWqiiJWM7OMNOQTJ4DIxb-8YbGBwToFRKQ Multiplying 3-digit by 1-digit (regrouping) Learn to multiply a 3-digit number by a 1-digit number using regrouping.  In this video, we will multiply 7x253. https://cdn.kastatic.org/ka-youtube-converted/TqRReFvbpXA.mp4/TqRReFvbpXA.mp4 135 Multiplication of whole numbers with products up to 10,000 https://www.khanacademy.org/math/cc-fourth-grade-math/imp-multiplication-and-division-2/multiply-with-partial-products/e/multiplication_2 2026-04-30T20:20:55.724408584Z Multiply with regrouping Multiply 2-, 3-, or 4-digit numbers by 1-digit numbers. Regrouping (carrying) needed. Lukas Domagala exercise https://www.khanacademy.org/math/cc-fourth-grade-math/multiplying-by-2-digit-numbers/multiply-2-digit-numbers-with-area-models/v/area-model-for-multiplication 2021-05-18T23:20:47Z Multiplying with area model: 16 x 27 Sal uses an area model to multiply 16x27. Sal Khan video https://cdn.kastatic.org/googleusercontent/laEk8MU8TGWPEQPP28o3w8BvmVFqzzFcCSZq77c1ERCDgPk3leLzIUom3Ev-L8Bq6xWJyMJQdMyn8khptvYzuSo Multiplying with area model: 16 x 27 Sal uses an area model to multiply 16x27. https://cdn.kastatic.org/ka-youtube-converted/vbGwcvXgDlg.mp4/vbGwcvXgDlg.mp4 527 Multiplication of whole numbers with products up to 10,000 https://www.khanacademy.org/math/cc-fourth-grade-math/multiplying-by-2-digit-numbers/multiply-2-digit-numbers-with-area-models/v/understanding-multiplication-through-area-models 2021-06-24T19:33:07Z Multiplying with area model: 78 x 65 Sal uses an area model to multiply 78x65. Sal Khan video https://cdn.kastatic.org/googleusercontent/4-WlmCQG5epDRLOW2AUA8zUixrkXvlUs9uAGT1dEyaafp9Q7xDrwFm0EEO-NiMQPm3Fy0ZGiTJDKbVQqoAzEZLQ Multiplying with area model: 78 x 65 Sal uses an area model to multiply 78x65. https://cdn.kastatic.org/ka-youtube-converted/p0jCw2sqZgs.mp4/p0jCw2sqZgs.mp4 298 Multiplication of whole numbers with products up to 10,000 https://www.khanacademy.org/math/cc-fourth-grade-math/multiplying-by-2-digit-numbers/multiply-2-digit-numbers-with-area-models/e/multiplying-2-digit-numbers-with-area-models 2022-07-07T14:27:03.352855486Z Multiply 2-digit numbers with area models Use an area model to decompose factors and multiply.     elizabeth exercise https://www.khanacademy.org/math/cc-fourth-grade-math/imp-multiplication-and-division-2/multiply-with-partial-products/v/multiplying-2-digits-by-1-digit-with-partial-products 2022-10-06T09:48:27.705455518Z Multiplying 2-digits by 1-digit with partial products We can multiply larger numbers by multiplying by the tens and ones separately, then adding the products together. Multiplying with partial products is one way we use the distributive property. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/fb41613c-da6e-4d90-9d8c-9dd4b87e199f_1280_720_base.png Multiplying 2-digits by 1-digit with partial products We can multiply larger numbers by multiplying by the tens and ones separately, then adding the products together. Multiplying with partial products is one way we use the distributive property. https://cdn.kastatic.org/ka-youtube-converted/RSx20wLxctc.mp4/RSx20wLxctc.mp4 274 Multiplication of whole numbers with products up to 10,000 https://www.khanacademy.org/math/cc-fourth-grade-math/imp-multiplication-and-division-2/imp-multi-digit-multiplication-place-value-and-area-models/e/multiply-2--digits-by-1-digit-with-area-models 2026-04-07T23:55:07.30621384Z Multiply 2-digits by 1-digit with area models Multiply a 1-digit number by a multi-digit number using area models. Lindsay exercise https://www.khanacademy.org/math/cc-fourth-grade-math/multiplying-by-2-digit-numbers/multiply-2-digit-numbers-with-partial-products/v/multiplying-two-2-digit-numbers-using-partial-products 2022-10-06T09:48:27.705455518Z Multiplying two 2-digit numbers using partial products 26 times 37 is the same as 20 times 37 plus 6 times 37. The distributive property allows us to find each part of the product, like 3 tens times 2 tens, then add them all to get the whole product. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/615f4f28-4d10-4683-b405-506b3bb1b497_1280_720_base.png Multiplying two 2-digit numbers using partial products 26 times 37 is the same as 20 times 37 plus 6 times 37. The distributive property allows us to find each part of the product, like 3 tens times 2 tens, then add them all to get the whole product. https://cdn.kastatic.org/ka-youtube-converted/O2ifHv-3dZA.mp4/O2ifHv-3dZA.mp4 266 Multiplication of whole numbers with products up to 10,000 https://www.khanacademy.org/math/cc-fourth-grade-math/multiplying-by-2-digit-numbers/multiply-2-digit-numbers-with-partial-products/e/multiply-with-partial-products--2-digit-numbers- 2026-05-19T19:40:48.127658504Z Multiply with partial products (2-digit numbers) Multiply 2-digit numbers by 2-digit numbers by multiplying by finding each partial product (such as tens of one number times the ones of the other number) separately. Then add all the partial products to find the total product. Lindsay exercise https://www.khanacademy.org/math/cc-fifth-grade-math/multi-digit-multiplication-and-division/imp-multi-digit-multiplication/v/intro-to-standard-way-of-multiplying-multi-digit-numbers 2022-11-16T04:22:43.7414897Z Intro to standard way of multiplying multi-digit numbers The standard algorithm for multiplying a multi-digit number by a single digit number involves multiplying each place value by the single digit, and regrouping as necessary. This method is equivalent to breaking the multi-digit number into parts, multiplying each part by the single digit, and adding the results together. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/3f04256c-d4e5-48ce-b3c3-d792841c28e8_1280_720_base.png Intro to standard way of multiplying multi-digit numbers The standard algorithm for multiplying a multi-digit number by a single digit number involves multiplying each place value by the single digit, and regrouping as necessary. This method is equivalent to breaking the multi-digit number into parts, multiplying each part by the single digit, and adding the results together. https://cdn.kastatic.org/ka-youtube-converted/NuIDwPQLJmk.mp4/NuIDwPQLJmk.mp4 265 Multiplication of whole numbers with products up to 10,000 https://www.khanacademy.org/math/cc-fifth-grade-math/multi-digit-multiplication-and-division/imp-multi-digit-multiplication/v/understanding-the-standard-algorithm-for-multiplication 2022-11-16T04:22:43.7414897Z Understanding the standard algorithm for multiplication The standard algorithm for multiplying whole numbers involves breaking the numbers down into their place values and multiplying each place value separately. This process is illustrated through three examples: one complete walkthrough, one where the viewer is asked to identify mistakes in incorrect solutions, and one where the viewer is asked to fill in a missing number. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/2fbd56d2-e0bb-4001-868e-bfc4df9a4def_1280_720_base.png Understanding the standard algorithm for multiplication The standard algorithm for multiplying whole numbers involves breaking the numbers down into their place values and multiplying each place value separately. This process is illustrated through three examples: one complete walkthrough, one where the viewer is asked to identify mistakes in incorrect solutions, and one where the viewer is asked to fill in a missing number. https://cdn.kastatic.org/ka-youtube-converted/GOYnrYee1Y0.mp4/GOYnrYee1Y0.mp4 271 Multiplication of whole numbers with products up to 10,000 https://www.khanacademy.org/math/cc-fourth-grade-math/multiplying-by-2-digit-numbers/multiply-2-digit-numbers-with-partial-products/v/multiplying-2-digit-numbers 2021-06-24T19:33:08Z Multiplying 2-digit numbers Learn to multiply two-digit numbers.  In this video, we will multiply 36 times 27. Sal Khan video https://cdn.kastatic.org/googleusercontent/rzbNmVYleVyrL-EHTRQz98BXyoZ1v20RJ3vuCRwOnKRxu978gFwKNu185DA3aGDDQT38bQCJtRvUO_O9woGJOVnp Multiplying 2-digit numbers Learn to multiply two-digit numbers.  In this video, we will multiply 36 times 27. https://cdn.kastatic.org/ka-youtube-converted/DaQlieZH1kk.mp4/DaQlieZH1kk.mp4 247 Multiplication of whole numbers with products up to 10,000 https://www.khanacademy.org/math/cc-fourth-grade-math/multiplying-by-2-digit-numbers/multiply-2-digit-numbers-with-partial-products/e/multiplication_3 2026-04-30T20:20:55.724408584Z Multiply 2-digit numbers Multiply 2-digit numbers by 2-digit numbers. Regrouping (carrying) needed. Lukas Domagala exercise https://www.khanacademy.org/math/arithmetic-home/multiply-divide/multi-digit-mult/v/multiplication-6-multiple-digit-numbers 2021-06-24T19:33:08Z Multiplying multi-digit numbers Sal shows lots of examples for how to multiply  2- and 3-digit numbers using "standard algorithm". Sal Khan video https://cdn.kastatic.org/googleusercontent/ExL_kWSZb8uCS3xAd-t-0AfRy0S5y_-aJBhVJkTGsXtZop4cDsFvkIP1X5D8Xo0cbrcLeZ2mWHgrjy_29tcRVglH Multiplying multi-digit numbers Sal shows lots of examples for how to multiply  2- and 3-digit numbers using "standard algorithm". https://cdn.kastatic.org/ka-youtube-converted/-h3Oqhl8fPg.mp4/-h3Oqhl8fPg.mp4 627 Multiplication of whole numbers with products up to 10,000 https://www.khanacademy.org/math/arithmetic-home/multiply-divide/multistep-word-problems/v/multiplication-word-problem-example-1 2020-06-23T07:22:40Z Multiplication word problem: carrots Sal Khan video https://cdn.kastatic.org/googleusercontent/u0VuTamqWTx4sMArud9SVB9wIkl1ZGVSSyI_QLjR7Sl3zuWJ6Z4En_i9RyJMCB6sHaE40v6idr_VrH4OiObLsHCR Multiplication word problem: carrots https://cdn.kastatic.org/ka-youtube-converted/fZtUn_THXnk.mp4/fZtUn_THXnk.mp4 152 Multiplication of whole numbers with products up to 10,000 https://www.khanacademy.org/math/cc-fourth-grade-math/division/mult-division-word-problems/v/multi-step-word-problems-with-whole-numbers-exercise-t2 2021-06-24T19:33:07Z Multiplication word problem: pizza Sal solves a multiplication word problem. Sal Khan video https://cdn.kastatic.org/googleusercontent/7A35Bob2idYrmmW3UYTuSLCYRT5-MGH3LHwb7ThcUSXSAwoUfvhfYvjsaW1NF0Z7sU1ciLd10BIWTzHPyJ9JPJ8 Multiplication word problem: pizza Sal solves a multiplication word problem. https://cdn.kastatic.org/ka-youtube-converted/cTveNRjWQYo.mp4/cTveNRjWQYo.mp4 158 Multiplication of whole numbers with products up to 10,000 https://www.khanacademy.org/math/cc-third-grade-math/imp-multiplication-and-division/multiplication-and-division-word-problems/e/multiplication-and-division-word-problems--within-100- 2022-03-04T19:05:22.028065113Z Multiplication and division word problems (within 100) Solve word problems involving multiplication and division. Solutions will be less than or equal to 100. Lindsay exercise