Writing Numerical Expressions

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operation symbols, but no equal sign.

Front

What operation does the word 'difference' indicate?

Back

The word 'difference' indicates subtraction.

Front

What does the word 'sum' mean in mathematics?

Back

The word 'sum' means the result of adding two or more numbers together.

Front

How do you express '4 times the sum of 34 and 8' in numerical form?

Back

4 × (34 + 8)

Front

What is the numerical expression for 'the sum of 9 and 5, doubled'?

Back

(9 + 5) × 2

Front

What operation is represented by the symbol '+'?

Back

The symbol '+' represents addition.

Front

What does '3 + (4 x 12)' represent in words?

Back

Three more than the product of 4 and 12.

Front

How do you express 'the product of 6 and 7' in numerical form?

Back

6 × 7

Front

What is the difference between 'addition' and 'subtraction'?

Back

Addition combines numbers to get a total, while subtraction finds the difference between numbers.

Front

What is the numerical expression for 'the difference of twenty-five and ten'?

Back

25 - 10