Writing Numerical Expressions

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operation symbols (like +, -, ×, ÷) but does not have an equal sign.

Front

What does 'triple' mean in mathematical terms?

Back

'Triple' means to multiply a number by 3.

Front

How do you express 'the sum of two numbers' mathematically?

Back

You add the two numbers together, using the '+' symbol.

Front

What does 'difference' refer to in mathematics?

Back

'Difference' refers to the result of subtracting one number from another.

Front

How do you express 'half of a number' mathematically?

Back

You divide the number by 2.

Front

What does 'product' mean in mathematical terms?

Back

'Product' refers to the result of multiplying two or more numbers together.

Front

How do you express '4 times a number' mathematically?

Back

You multiply the number by 4, using the '×' symbol.

Front

What is the expression for '4 less than a number'?

Back

You subtract 4 from that number.

Front

How do you write 'the sum of 34 and 8' in numerical expression?

Back

You write it as (34 + 8).

Front

What is the expression for '8 times the difference between 43 and 38'?

Back

You write it as 8 × (43 - 38).