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 variables.

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 4 nines and 3 nines' in numerical form?

Back

(4 × 9) + (3 × 9)

Front

What is the difference between 'sum' and 'product'?

Back

'Sum' refers to the result of addition, while 'product' refers to the result of multiplication.

Front

How would you write '5 times the difference between 54 and 49' as a numerical expression?

Back

5 × (54 – 49)

Front

What does 'less than' indicate in a numerical expression?

Back

'Less than' indicates subtraction from a number.

Front

How do you convert '3 × (23 + 7)' into word form?

Back

Three times twenty-three plus seven.

Front

What is the expression for 'four less than the product of 14 and 5'?

Back

(14 × 5) – 4

Front

What does 'difference' mean in mathematics?

Back

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

Front

How do you express 'the sum of two numbers' in numerical form?

Back

a + b, where a and b are the two numbers.