Choose a Method Study Page
Use the menu below to learn and practice choosing the appropriate method of computation!
Today's (**) extension will teach you to do Psychic Magic!
This is a very impressive magic trick that will really impress your friends and family!
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Click this link to return to the Whole Numbers General Studies Page.
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Mental Math |
Paper & Pencil |
Calculator |
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When |
Numbers are easy to compute. |
Many small numbers. |
The numbers are large. |
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Why |
fastest |
least chance of error |
easiest with large numbers |
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Model |
12 + 4 + 3 + 8 |
43 + 16 + 27 |
24,316 + 9,126 |
Quick Warm Up - Get Started with a quick review.
The Learning Center has Lessons, Guided Practices and easy practice activities to help you master every skill!
- The PowerPoint styled lessons show you how to do each skill.
- Guided Practices offer you a chance to solve a problem - then see the solution!
- Easy Practices are matching or other simple assignments to give you an opportunity to practice.
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Why take a quiz or test in class without already knowing that you will pass?
- Try the practice quizzes and tests to help you know your areas of weakness - then improve!
- You can click "try again" and get a whole new test on each skill!
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Why not get some "Extra Credit" for your efforts?
- You can have your practice results emailed to your home!
- Challenge your friends and see who suffers from the "called to the board quakes and shakes"!
- Click Here and you will be taken to the Score Reporting version of Math6.org!
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