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3 Cards in this Set
- Front
- Back
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ESTIMATE - a number close to an exact amount.
Ex. 42,565 or 43,000 |
ROUNDING - steps to estimate a number to the nearest place value.
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COMPATIBLE NUMBERS
words that are easy to add Example: 2, 5, 10, 100, 1000 |
SUM - answer in addition
Example: 12 + 6 = 20 (sum) |
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DIFFERENCE - answer in subtraction
Example: 30 - 5 = 25 (difference) |
PLACE VALUE - place in the number
VALUE - the worth of the digit |
