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3 years ago

5

Quation that show an estimate of 7,203+299

2 answers:

Dmitry [639]3 years ago

8 0

The two numbers are very near 7200 and 300. The sum of those is a good estimate of your sum:

... 7200 + 300 = 7500

_____

If you're taught methods of addition that include "make a ten" or "make a hundred", you know you can "borrow" a 1 from 7203 (making it 7202) and loan that 1 to 299 to make it 300. Now, you know your sum is exactly 7202+300 = 7502, with no estimation necessary.

tensa zangetsu [6.8K]3 years ago

7 0

Round each number, I rounded each to nearest hundred.

7,200+300=7,500 estimation

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