Term
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Definition
The value of the place a digit has in a number.
Example: In 150, the place value of the digit 1 is hundreds |
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Term
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Definition
| The symbols 0,1,2,3,4,5,6,7,8,9 used to write numbers. |
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Term
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Definition
A number written as the sum of the values of its digits.
Example: 2,476=2000 + 400 + 70 +6 |
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Term
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Definition
| A group of 3 digits in a number, separated by commas, starting from the right. |
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Term
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Definition
A number written with commas separating groups of three digits.
Example:
3,845 |
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Term
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Definition
A number written in words.
Example: 125=one hundred twenty-five. |
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Term
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Definition
| To find out which number is greater and which number is less. |
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Term
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Definition
A number used to show
the order of people
or objects. |
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Term
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Definition
| A symbol that shows money amounts. |
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Term
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Definition
| To write numbers from greatest to least or from least to greatest. |
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Term
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Definition
A point that separates dollars from cents and ones from tenths in a number.
Examples:
$1.95 or 1.9 |
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Term
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Definition
The answer when adding two or more addends.
Example:
7 + 5 = 12 (sum) |
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Term
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Definition
Numbers added together to give a sum.
Example:
7 + 5 = 12
7 and 5 are the addends |
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Term
ASSOCIATIVE (GROUPING)
PROPERTY OF ADDITION |
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Definition
Numbers can be grouped in any way and the sum will be the same.
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Term
COMMUTATIVE (ORDER)
PROPERTY OF ADDITION |
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Definition
Numbers can be added in any order and the sum will be the same.
Example: 5 + 3 = 3 + 5 |
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Term
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Definition
| To replace a number with another number that tells about how many or how much. |
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Term
IDENTITY (ZERO)
PROPERTY OF ADDITION |
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Definition
The sum of zero and any number is that number.
Example:
0 + 4 = 4 |
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Term
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Definition
| Numbers that are easy to add, subtract, multiply or divide mentally. |
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Term
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Definition
| To give a number or answer that tells about how many or how much. |
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