Write, interpret, and evaluate numerical expressions within real

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operations (like addition, subtraction, multiplication, and division) but does not have an equal sign.

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What does 'difference' mean in mathematics?

Back

The difference is the result of subtracting one number from another.

Front

How do you represent '5 times the difference between 8 and 6' mathematically?

Back

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What does 'sum' mean in mathematics?

Back

The sum is the result of adding two or more numbers together.

Front

How do you represent 'Multiply the sum of 45 and 11 by 2' mathematically?

Back

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often remembered by the acronym PEMDAS.

Front

How do you represent 'Subtract 7 from 15, then add 6' mathematically?

Back

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The result is 10.

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What does 'evaluate' mean in the context of numerical expressions?

Back

To evaluate means to calculate the value of a numerical expression.

Front

What is a mathematical operation?

Back

A mathematical operation is a calculation that combines numbers in a specific way, such as addition, subtraction, multiplication, or division.