We have started our Math Vocabulary Words this week. Your child has a bag of cards in his/her homework folder. These should be practiced at home and brought back to school to also practice. We will have a quiz on these words on **September 9th**.

**Vocabulary Set 1**

**Factor ~ **A number that is multiplied by another number to find a product

**Product ~ **The answer to a multiplication problem

**Square Fact ~ **Multiplication facts (doubles) that form squares when modeled with an array

**Standard Form ~ **A number written with one digit for each place value

**Whole Number ~ **The set of counting numbers and zero

**Quotient ~ **The answer to a division problem

**Place Value ~ **The value determined by the position of a digit in a number

**Decimal Point ~ **The dot used to separate the ones place from the tenths place in a decimal number

**Expanded Form ~ **A way to write numbers that shows the value of each digit

**Expanded Notation ~ **A way to write numbers that shows the value of the digits as a sum of each digit multiplied by its place value

**Difference ~ **The answer to a subtraction problem

**Decimal Number ~ **A number with a decimal point that separates the ones from the tenths

**Sum ~ **The answer to an addition problem