Chapter 1 - Math Word Scramble
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Question | Answer |
Associative Property of Addition | Addends can be regrouped and the sum remains the same. Example: (a+b)+c = a+(b+c) |
Addends | any number used to get the sum or the total. |
Commutative Property of Addition | The order of the addends can be changed and the sum remains the same. Example: a+b+c=b+c+a |
Compatible numbers | Numbers which are easy to compute with mentally. |
Compensation | Adjusting one number of an operations to make computations easier and balancing the adjustment by changing the other number |
Digits | The symbols used to show numbers: 0, 1, 2, 3, 4, 5, 6, 8, 8, and 9. |
Expanded form | A way to write a number that shows the palce value of each digit. Example: 3,000+500+60+2 |
Equivalent decimals | Decimals which name the same amount. Example 0.7=0.70 |
Front-end estimation | A method of estimating by changing numbers to the place value of their front digit and then finding the sum or difference. |
Rounding | A process that tells which multiple of 10, 100, 1,000, etc. a number is closest to. |
Sum | The number that is the result of adding two or more addends. |
Standard form | A number written with commas separating groups of three digits starting from the right. Example 3,456,789 |
Place value | The position of a digit in a number that is used to determine the value of the digit. Example: In 5,318, 3 is in the hundreds place. So the 3 has a value of 300. |
Period | A group of 3 digits in a number. Periods are separated by a comma and start from the right of a number. |
Tenth | One out of ten equal parts of a whole. |
Thousandths | One out of thousand (1,000) equal parts of a whole. |
Word form | A number written in words using place value. |
Hundredth | One part of 100 equal parts of a whole. |
Difference | The number that results from subtracting one number from another. |
Created by:
Ms. Smiley
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