Arithmetic with Whole Numbers and Money Variables and Evaluation LESSON 1POWER UP APAGE 6

Vocabulary Variable: letters, not constant, can change, vary ◦a + b = c Evaluate: solve

Money $0.30 or 30₵ Not 0.30₵

Number Sets Counting Numbers/Natural Numbers: numbers we say ◦{1, 2, 3, 4, 5, …} Whole Numbers: The counting numbers and zero ◦{0, 1, 2, 3, 4, …}

Arithmetic – Addition and Subtraction Addition addend + addend = sum Subtraction minuend – subtrahend = difference

Arithmetic – Multiplication and Division dividend quotient divisor

Practice Problems Write equations using the number 15 where 15 is: r. dividend