Expressions Kid!!!!

Front

True or false: Addition ALWAYS comes before subtraction.

Back

False

Front

What is the expression for 'six less than a number k'?

Back

k - 6

Front

What is the expression for 'half a number y'?

Back

y/2

Front

What is the expression for 'twice the sum of x and y'?

Back

2x + 2y

Front

If bananas cost $0.50 each, how much would x bananas cost?

Back

0.5x

Front

What does the term 'expression' mean in mathematics?

Back

A combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Front

What is a variable in an expression?

Back

A symbol (like x or y) that represents an unknown value.

Front

What is the order of operations in mathematics?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the expression for 'three times a number n'?

Back

3n

Front

What does 'distributive property' mean?

Back

a(b + c) = ab + ac; it allows you to multiply a number by a sum.