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[@guinnessandmathguy](/creator/youtube/guinnessandmathguy)
"CAL XXX - M0204 - Multiplying Numbers Over 10"  
[YouTube Link](https://youtube.com/watch?v=CW7bkl49xG8) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2025-10-22T10:18Z 921K followers, XXX engagements


"Digit Sum Check"  
[YouTube Link](https://youtube.com/watch?v=Pn-RPjWGjww) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2022-06-24T06:00Z 921K followers, 26.7K engagements


"GMAT GRE SAT"  
[YouTube Link](https://youtube.com/watch?v=S_rclL-Y4ak) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-06-06T02:00Z 921K followers, 5.9M engagements


"Best Percent Hack - How find Percents Shortcut"  
[YouTube Link](https://youtube.com/watch?v=WG19nzEBd7I) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-02-28T15:00Z 921K followers, 989.4K engagements


"GMAT Math Trick"  
[YouTube Link](https://youtube.com/watch?v=a55wpphM6pw) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-05-14T18:38Z 921K followers, 376.3K engagements


"Number Sequence"  
[YouTube Link](https://youtube.com/watch?v=a8LeUOQQ-FM) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-06-09T03:00Z 921K followers, 333.6K engagements


"The Official IQ Test"  
[YouTube Link](https://youtube.com/watch?v=qZ-Qx-bYaWc) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-06-22T15:00Z 921K followers, 274.5K engagements


"GMAT Quantitative"  
[YouTube Link](https://youtube.com/watch?v=1Mmyod-8-7E) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-06-12T06:00Z 921K followers, 309K engagements


"Percents #percentages #mathematics #testprep #gmat #gre #sat #tipsandtricks #learnonyoutube"  
[YouTube Link](https://youtube.com/watch?v=3hsydDnzOKc) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-11-07T05:00Z 921K followers, 2.3M engagements


"Percent Increase / Decrease - Math shortcut Tricks"  
[YouTube Link](https://youtube.com/watch?v=7RxN-_1e_tc) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-02-23T05:00Z 921K followers, 345.3K engagements


"Calculating Discounts The Easy Way"  
[YouTube Link](https://youtube.com/watch?v=DurqIVODJkU) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2022-06-08T12:00Z 921K followers, 52.2K engagements


"How To Calculate Percents In X Seconds"  
[YouTube Link](https://youtube.com/watch?v=EKRSIahfB9o) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-06-22T01:00Z 921K followers, 13.3M engagements


"How To Calculate Percents In Your Head"  
[YouTube Link](https://youtube.com/watch?v=GLcpJoQEkV4) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-05-05T04:00Z 921K followers, 18.7M engagements


"How To Calculate Percents In X Seconds"  
[YouTube Link](https://youtube.com/watch?v=IHefmVes0Pw) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-03-11T14:00Z 921K followers, 3.7M engagements


"Guinness And Math Guy"  
[YouTube Link](https://youtube.com/watch?v=LzAq6Mj3Rqw) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2025-10-23T06:00Z 921K followers, XX engagements


"Reasoning Shortcut Tricks"  
[YouTube Link](https://youtube.com/watch?v=LzzQRu4x8rg) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-11-05T14:00Z 921K followers, 6.6M engagements


"Fractions Adding Mixed Number"  
[YouTube Link](https://youtube.com/watch?v=Moe034HYSOM) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2024-04-26T12:00Z 921K followers, 262.4K engagements


"Subtraction Shortcut Trick"  
[YouTube Link](https://youtube.com/watch?v=WbtbJ4Avzjo) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-08-02T15:00Z 921K followers, 488.7K engagements


"Logical Reasoning Day Trick"  
[YouTube Link](https://youtube.com/watch?v=buPmEHvz1Nk) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2024-04-16T15:00Z 921K followers, 6.9M engagements


"How To Calculate Percents In X Seconds"  
[YouTube Link](https://youtube.com/watch?v=gq3zFd6WEDo) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-04-28T06:00Z 921K followers, 8.8M engagements


"Follow for more math videos 🧠 📚 #math #sat #maths #psat #1600"  
[YouTube Link](https://youtube.com/watch?v=hjJcozDhxEs) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2025-08-30T09:42Z 921K followers, 255.7K engagements


"Math Word Problems (Average Questions) - Math Shortcut Tricks"  
[YouTube Link](https://youtube.com/watch?v=nJtj8XCGT5I) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-03-04T07:00Z 921K followers, 543.2K engagements


"Long Division 🤓"  
[YouTube Link](https://youtube.com/watch?v=rPPxDHyrjRk) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-04-07T07:35Z 921K followers, 1M engagements


"GMAT Quantitative"  
[YouTube Link](https://youtube.com/watch?v=xezjB-WP6wQ) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-06-24T01:00Z 921K followers, 89.5K engagements


"How To Calculate Percentages In X Seconds"  
[YouTube Link](https://youtube.com/watch?v=GaFZ2CBKMO0) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-03-27T09:08Z 921K followers, 7.3M engagements


"1-1 with me"  
[YouTube Link](https://youtube.com/watch?v=Uhm6N2QluJE) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2025-10-22T06:34Z 921K followers, XXX engagements


"Word Problems Ratios"  
[YouTube Link](https://youtube.com/watch?v=Yva0B0xrfiM) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2022-08-31T03:00Z 921K followers, 768.1K engagements


"How To Subtract From Left To Right"  
[YouTube Link](https://youtube.com/watch?v=eeGp5fp3iog) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-11-01T04:59Z 921K followers, 3.9M engagements


"Aptitude Test Preparation - Error Percentage"  
[YouTube Link](https://youtube.com/watch?v=h0dc6asQ16w) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-03-14T11:00Z 921K followers, 2M engagements


"Math Shortcut Tricks Number Series"  
[YouTube Link](https://youtube.com/watch?v=kVNf8VHnzl4) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-05-09T04:00Z 921K followers, 1.2M engagements


"SAT Math - Word Problems Short Cuts"  
[YouTube Link](https://youtube.com/watch?v=lqi9U0My6K0) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-03-20T12:00Z 921K followers, 1.9M engagements


"How To Square Root Super Fast"  
[YouTube Link](https://youtube.com/watch?v=y-rEvUAPu5o) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2023-10-29T08:00Z 921K followers, 7.2M engagements


"How To Solve Any Quadratic Equation Mentally"  
[YouTube Link](https://youtube.com/watch?v=CU9fxybIhiE) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2025-10-22T14:17Z 921K followers, XX engagements


"Guinness And Math Guy"  
[YouTube Link](https://youtube.com/watch?v=SNwduaGjWvs) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2025-10-20T03:00Z 921K followers, 1896 engagements


"Guinness And Math Guy"  
[YouTube Link](https://youtube.com/watch?v=Uq5AoNlhVuM) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2025-10-22T18:00Z 921K followers, XX engagements


"Guinness And Math Guy"  
[YouTube Link](https://youtube.com/watch?v=X9pSMZnu5b4) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2025-10-21T13:46Z 921K followers, XXX engagements


"Guinness And Math Guy"  
[YouTube Link](https://youtube.com/watch?v=XqzhW_mPyjA) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2025-10-21T18:00Z 921K followers, XXX engagements


"1-1 Classes with Guinness And Math Guy"  
[YouTube Link](https://youtube.com/watch?v=zbS1yCof280) [@guinnessandmathguy](/creator/youtube/guinnessandmathguy) 2025-10-23T07:53Z 921K followers, 1518 engagements