Chapter 7, Day 3 Warm Up

Front

Write an algebraic expression for: 14 decreased by a number

Back

14 - n

Front

Write an algebraic expression for: the difference between forty-six and a number

Back

46 - n

Front

Write an algebraic expression for: s increased by 3

Back

s + 3

Front

Write an algebraic expression for: the sum of 3 and a number

Back

3 + n

Front

Write an algebraic expression for: 16 less than a number

Back

n - 16

Front

Define an algebraic expression.

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents one or more numbers.

Front

What does 'decreased by' mean in algebraic terms?

Back

'Decreased by' indicates subtraction in an expression.

Front

What does 'increased by' mean in algebraic terms?

Back

'Increased by' indicates addition in an expression.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers and variables without an equality sign, while an equation states that two expressions are equal.