Addition with Regrouping: 917 + 83

Addition with Regrouping Calculator
First addend
Second addend

What is 917 + 83?

Answer

917 + 83 =
1,000

The sum is longer than the addends: 3 carries — into the tens, the hundreds and the thousands; the last one makes a new digit

917 + 83 in a column. Carries are the small circled digits above the columns.
1carry1carry1carry
9 1 7
+83
1000

Column by column: 917 + 83

  • Ones: 7 + 3 = 10 — write 0, carry 1.
  • Tens: 1 + 8 + 1 = 10 — write 0, carry 1.
  • Hundreds: 9 + 1 = 10 — write 0, carry 1.
  • Thousands: the carried 1 — write 1.

917 + 83 = 1,000

Second check: 1,000 − 917 = 83

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Column additions with 83

ExampleSum
268 + 83351
307 + 83390
317 + 83400
348 + 83431
376 + 83459
402 + 83485
417 + 83500
453 + 83536
485 + 83568
517 + 83600
536 + 83619
578 + 83661
617 + 83700
647 + 83730
717 + 83800
817 + 83900
917 + 831,000
1,917 + 832,000
4,917 + 835,000
9,917 + 8310,000

FAQ

What is 917 + 83?

917 + 83 = 1,000

How do you check that 917 + 83 = 1,000?

Subtract one addend from the sum: 1,000 − 83 = 917, and 1,000 − 917 = 83. Getting the other addend back means the sum is right.

How many carries are there in 917 + 83?

3 carries: every time a column added up to 10 or more, its ones digit was written and 1 was carried to the next column on the left.

Is 83 + 917 the same as 917 + 83?

Yes. Addition is commutative, so both give 1,000; the column looks the same with either number on top.

See Also