Writing words as Numerical Expressions

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.

Front

What does 'add' mean in a numerical expression?

Back

'Add' means to combine two or more numbers to get a total. For example, adding 4 and 5 gives 9.

Front

What does 'subtract' mean in a numerical expression?

Back

'Subtract' means to take one number away from another. For example, subtracting 3 from 10 gives 7.

Front

What does 'multiply' mean in a numerical expression?

Back

'Multiply' means to increase a number by another number. For example, multiplying 3 by 4 gives 12.

Front

What does 'sum' refer to in a numerical expression?

Back

'Sum' refers to the result of adding two or more numbers together.

Front

What does 'difference' refer to in a numerical expression?

Back

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

Front

How do you write 'add four and nine' as a numerical expression?

Back

4 + 9

Front

How do you write 'multiply two and twelve' as a numerical expression?

Back

2 x 12

Front

How do you write 'the sum of eight and seven' as a numerical expression?

Back

8 + 7

Front

How do you write 'two times the sum of eight and seven' as a numerical expression?

Back

2 x (8 + 7)