Chapter 7: Expressions & Patterns

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operations (such as addition, subtraction, multiplication, and division) but does not have an equal sign.

Front

How do you write 'the sum of four and eleven divided by five' as a numerical expression?

Back

Front

What does 'the difference of nine and thirty divided by seven' mean in numerical expression?

Back

Front

What is a sequence in mathematics?

Back

A sequence is an ordered list of numbers that follow a particular pattern or rule.

Front

What are the next three terms in the sequence: 10, 20, 30?

Back

The next three terms are 40, 50, 60.

Front

What is the rule for the sequence: 126, 117, 108, 99?

Back

The rule is to subtract 9 from the previous term.

Front

What are the next three terms in the sequence: 126, 117, 108, 99?

Back

The next three terms are 90, 81, 72.

Front

What is an ordered pair in mathematics?

Back

An ordered pair is a pair of numbers used to locate a point on a coordinate plane, written in the form (x, y).

Front

What is the ordered pair for point B if it is located at (2, 3)?

Back

The ordered pair for point B is (2, 3).

Front

How do you express 'the product of three and four' as a numerical expression?

Back