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# What is a number sentence?

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A number sentence is an equation or an inequality which is written with numbers and symbols rather than words. The term is most often used in the early grades when students are learning addition, subtraction, multiplication and division.

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Common symbols used in number sentences include: +, -, x, / or ÷, =, < and >. The last two, the "less than" and "greater than" signs are used in inequalities, where one side is not equal to the other. Students working on number sentences often have one number place of the sentence as an unknown to teach them how to do various computations necessary for solving equations. An example of a number sentence is 5 + 4 = 9.

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## Related Questions

• A:

A number story is a short story that illustrates a math equation, making it easier for young students to understand the equation involved. For example, the equation 5+2=7 can be told as a story about five birds sitting on a tree that were joined by two more birds.

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To convert numbers to words, start on the left side. If groups of digits are separated by commas, take one group at a time. Write the words for that group, and add "thousand," or "million" if necessary. Continue, ending with the last digit on the right. Calculator Soup Online Calculator Resource converts numbers to words automatically.

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• A:

A mathematical phrase is a set of words or a combination of words and numbers that can be written as a mathematical expression. An expression is a mathematical phrase that combines numbers and/or variables using mathematical operations. Expressions represent a value. Examples include variables and/or numerals appearing alone or in combination with operators.