Learning Target

Estamateing sums and differentses using desimals.

Esample:

54.12+21.45 = 75.57

54.00 = 21.00 = 76

89.34 - 45.17 = 44.17

89.00 - 45.00 = 44

Lession:

When you find the estamated anwer, you must...

Round, then add or subtract. the answer must be a whole number.

If the number has to be rounded up, know that your sum or difference

will be a bit higher than the real answer.

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