Topic 2 Number Sense Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Term | Definition |
addends | Numbers added together to give a sum. Example: 7 + 5 = 12, 7 and 5 are addends |
sum | The answer when adding two or more addends. Example: 7 + 5 = 12, 12 is the sum |
Commutative (Order) Property of Addition | Numbers can be added in any order and the sum will be the same. Example: 5 + 3 = 3 + 5 |
Associative (Grouping) Property of Addition | Numbers can be grouped in any way and the sum will be the same. Example: (3 + 2) + 4 = 3 + (2 + 4) |
Identity (Zero) Property of Addition | The sum of zero and any number is that number. Example: 0 + 4 = 4 |
difference | The answer when subtracting two numbers. Example: 7 - 2 = 5, 5 is the difference |
fact family | A group of related facts using the same numbers. Example: 5 + 3 = 8, 3 + 5 = 8, 8 - 3 = 5, and 8 - 5 = 3 |
round | Finding a number closest to a specific place value. We use round numbers when we do not use an exact number. Example: 27 rounds to 30 |
estimate | To give a number or answer that tells about how many or how much. |
compatible numbers | Numbers that are easy to add, subtact, multiply, or divide mentally. |
equation | A number sentence that uses an equal sign (=) to show that the value to its left is the same as the value to its right. Example: 6 + 5 = 10 |
Created by:
Third Graders
Popular Math sets