https://www.mathsisfun.com/definitions/open-sentence.html

The definition of Open Sentence: In mathematics: When we dont know if a statement is true or false. Example:...

https://www.mathsisfun.com/algebra/open-sentences.html

Closed, A closed sentence is always true (or always false). Open, A sentence is open when it is not known if it is true or false.

https://study.com/academy/lesson/open-sentence-in-math-definition-example.html

In this lesson, you will learn the definition of an open sentence and will be given many examples to illustrate this concept. Following this lesson...

https://mathsolutions.com/ms_classroom_lessons/true-false-and-open-sentences/

The lesson then introduces students to sentences that are neither true nor false but are algebraic equations, also called open sentences...

http://www.algebra-class.com/open-sentences.html

Yes, sentences are not only used in English class, but also in Math! In algebra a sentence contains numbers, variables, operations and either an equal sign ...

https://virtualnerd.com/middle-math/number-algebraic-sense/mental-math/definition-open-sentence

Note: Understanding open sentences is a stepping stone for understanding more complex math problems. This tutorials introduces open sentences and gives ...

https://www.merriam-webster.com/dictionary/open%20sentence

Open sentence definition is - a statement (as in mathematics) that contains at least one blank or unknown and that becomes true or false when the blank is filled ...

https://schooltutoring.com/help/review-of-open-sentences-in-mathematics/

Sep 29, 2013 ... Open sentences in mathematics are sentences that contain variables. They can be true or false depending upon the numbers substituted for ...

https://www.youtube.com/watch?v=z9cfKXJcf7A

Oct 6, 2013 ... Subscribe Now: http://www.youtube.com/subscription_center?add_user= ehoweducation Watch More: http://www.youtube.com/ehoweducation ...

http://www.amathsdictionaryforkids.com/qr/o/openSentence.html

Quick Reference from A Maths Dictionary for Kids - over 600 common math ... open sentence. • a mathematical statement containing one or more variables.