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Add and Subtract
Addition, Subtraction, and Estimation Vocabulary
Question | Answer |
---|---|
addends | Numbers added together to give a sum. Example: 25 + 15 = 40 (addend + addend = sum) |
sum | The answer when adding two or more addends. Example: 25 + 15 = 40(addend + addend = sum) |
round | To replace a number with another number that tells about how many or how much. |
estimate | To give a number or answer that tells about how many or how much. |
fact family | A group of related facts using the same numbers. Example: 4 + 8 = 12, 8 + 4 = 12, 12 - 8 = 4, and 12 - 4 = 8 |
difference | The answer when subtracting one number from another. |