Chapter 1 Whole Numbers Flashcards
(22 cards)
What is a digit?
A digit is a number 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9 that names a place-value location.
How do you format large digit numbers?
For large numbers, digits are separated by commas into groups of three called periods.
What are some examples of periods?
Ones, tens, thousands, millions, billions, trillions, and so on. They are shown on a place-value chart.
Is the number 934,871 in standard notation or expanded notation?
Standard notation
Is 9 hundred thousand + 3 ten thousands + 4 thousands + 8 hundreds + 7 tens + 1 one written in standard notation or expanded notation?
Expanded notation
What is a word name?
When we pronounce a number, it is a word name.
Which word should NOT appear in word names for whole numbers?
And
Where is the word “and” appropriate to use?
For decimal notation, it is appropriate to use “and” for the decimal point. For example, 317.4 is read as “three hundred seventeen AND four tenths”
What is a whole number? What is a whole number’s purpose?
To answer questions such as “How many?”, “how much?”, and “how tall?”, we often use whole numbers.
The set or collection of whole numbers is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12…
The set goes on infinitely. There is no largest whole number, and the smallest whole number is 0.
What are natural numbers?
Each whole number can be named using various notations. The set 1, 2, 3, 4, 5…, without 0 is the set of natural numbers.
What is a sum?
The answer of an addition problem with whole numbers.
3 + 2 = SUM
What is an addend?
The addend is the numbers added in an addition problem with whole numbers.
ADDEND + ADDEND = SUM
What order do you add whole numbers?
First you add digits first, then the tens, then the hundreds, then the thousands, and so on. This is in columns, from right to left.
What do parentheses tell us to do?
They tell us what to do first
What are integers?
All whole numbers and their negative counterparts
…-4, -3, -2, -1, 0, 1, 2, 3, 4…
What is a rational number?
Any number that can be written as a fraction or ratio.
Any number that can be written by dividing one integer by another.
What is an irrational number?
A number that cannot be written as a simple fraction because decimals goes on forever without repeating
What is associative property?
Associative property means that rearranging the grouping and parenthesis in an expression will not change the result.
What property means you can add whole numbers in any order? For example: 2 + 3 = 3 + 2
Communicative law of addition
What do both the associative and communicative laws tell us?
They tell us that when adding more than two numbers we can use any order and grouping we want to.
What is additive identity?
Additive identity means that adding 0 to a number does not change the number. This is also called the Additive property of 0.
What is the distance around an object?
Its perimeter
