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Partial Sums

Partial Sums. An Addition Algorithm. 2 6 8. Add the hundreds ( 200 + 400). + 4 8 3. + 11. Add the partial sums (600 + 140 + 11). Partial Sums. 600. Add the tens (60 +80). 140. Add the ones (8 + 3). 751. 7 8 5. Add the hundreds ( 700 + 600). + 6 4 1. + 6.

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Partial Sums

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  1. Partial Sums An Addition Algorithm

  2. 268 Add the hundreds (200 + 400) + 483 + 11 Add the partial sums (600 + 140 + 11) Partial Sums 600 Add the tens (60 +80) 140 Add the ones (8 + 3) 751

  3. 785 Add the hundreds (700 + 600) + 641 + 6 Add the partial sums (1300 + 120 + 6) Let's try another one 1300 Add the tens (80 +40) 120 Add the ones (5 + 1) 1426

  4. 329 + 989 + 18 Do this one on your own Let's see if you're right. 1200 100 1318 Well Done!

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