Ch 7 Lesson 2+3 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 'sum' mean in mathematics?

Back

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

Front

What is the product of two numbers?

Back

The product is the result of multiplying two numbers together.

Front

How do you write 'ten times the sum of forty and fifty-three' as a numerical expression?

Back

10 x (40 + 53)

Front

Back

43

Front

What does 'times' indicate in a numerical expression?

Back

'Times' indicates multiplication.

Front

How do you express 'the sum of three and five times 7' as a numerical expression?

Back

(3 + 5) x 7

Front

Back

120

Front

What does 'round to the nearest cent' mean?

Back

It means to adjust a number to the closest value that has two decimal places.

Front

If turkey costs $8.99 per pound, how much do you spend for 2.5 pounds?

Back

$22.48