【實用教育app】Order of Operations by iDevBooks|最夯免費app

【實用教育app】Order of Operations by iDevBooks|最夯免費app

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【免費教育App】Order of Operations by iDevBooks-APP點子

This math app is about the concept of order of operations. The user can evaluate random and custom expressions with exponentiation, division, multiplication, addition, and subtraction operations on integers and decimals. Operations can be grouped with nested parenthesis.Expressions are evaluated one operation at a time just by tapping the operation. If the user taps an operation that can’t be solved next, the app tells why that was the wrong choice. There are no penalties for wrong answers.After each step the solution for the current operation flies to the correct place. For example after solving 3 - 1 the answer 2 will fly to the correct place and the rest of the expression will move down. That way the user sees that only one part of the expression is solved in each step.The user learns that the complexity of the initial expression does not matter because you only need to solve one multiplication, division, addition, or subtraction at each step. The app uses a hierarchy of operators triangle - boss triangle - that shows the order of operations using a pyramid with exponent at the top, x and ÷ in the middle and + and - at the bottom. The rules are shown in a visual way instead of mnemonics.Settings for random problems: -allow multiplications-allow divisions-allow exponents-allow negative numbers-allow multi-digit numbers-allow decimals-allow parenthesis-allow nested parenthesisOther iDevBooks math apps iDevBooks math apps have been reviewed and endorsed by Wired.com, IEAR.org, Teachers with Apps, and other other respected sites and organizations.Some of the 25 other iDevBooks math apps are Visual Multiplication Table, Visual Fractions Decimals and Percentages, Decimal Rounding, Whole Number Rounding, Column Subtraction, Column Addition, Long Division, Long Multiplication, Lattice Multiplication, Fraction Math, Partial Differences Subtraction, Partial Quotients Division, Partial Sums Addition, etc. Feedback and requests for new features New ideas to make this app better are welcome. Please visit idevbooks.com to give feedback.PrivacyThis app has no ads or in-app purchases and it does not transmit any data during the operation of the app. This app also does not contain any links to other apps or the web.

【免費教育App】Order of Operations by iDevBooks-APP點子

【免費教育App】Order of Operations by iDevBooks-APP點子

【免費教育App】Order of Operations by iDevBooks-APP點子

【免費教育App】Order of Operations by iDevBooks-APP點子

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Order of Operations by iDevBooks APP LOGO

Order of Operations by iDevBooks LOGO-APP點子

Order of Operations by iDevBooks APP QRCode

Order of Operations by iDevBooks QRCode-APP點子
熱門國家系統支援版本費用APP評分上架日期更新日期
未知iOS
App Store
2.0
App下載
$3.99
2014-04-032015-06-04
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