Welcome to our Math lesson on **Mathematical vs Word Sentences**, this is the first lesson of our suite of math lessons covering the topic of **Writing Formulas and Substituting in a Formula**, you can find links to the other lessons within this tutorial and access additional Math learning resources below this lesson.

**A mathematical sentence is a fact (it may be either true or false) that combines two expressions (written in mathematical symbols) connected through a comparison operator between them**. This comparison operator may be one of the following:

**Equal to** (=);

**Greater than** (>);

**Smaller than** (<);

**Greater than or equal to** (≥); and

**Smaller than or equal to** (≤)

Mathematical sentences are used to express word sentences in a much shorter way, where words are replaced with math symbols. Obviously, the symbols used in formulas must be widely recognized by scientists; that is, a specific math symbols conform to an agreed global standard and are used to express the same quantity in all textbooks. Thus, instead of writing, "**Speed is equal to distance travelled in a given time**", we simply write "v = ** d/t**" where v is the symbol used for speed, d shows the travelling distance and t represents the time taken for the travel.

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- Formulas Math tutorial: Writing Formulas and Substituting in a Formula. Read the Writing Formulas and Substituting in a Formula math tutorial and build your math knowledge of Formulas
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- Check your calculations for Formulas questions with our excellent Formulas calculators which contain full equations and calculations clearly displayed line by line. See the Formulas Calculators by iCalculator™ below.
- Continuing learning formulas - read our next math tutorial: Types of Formulas. Rearranging Formulas

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