Addition with Regrouping: 1,988 + 12

Addition with Regrouping Calculator
First addend
Second addend

What is 1,988 + 12?

Answer

1,988 + 12 =
2,000

With regrouping: 3 carries — into the tens, the hundreds and the thousands

1,988 + 12 in a column. Carries are the small circled digits above the columns.
1carry1carry1carry
1 9 8 8
+12
2000

Column by column: 1,988 + 12

  • Ones: 8 + 2 = 10 — write 0, carry 1.
  • Tens: 8 + 1 + 1 = 10 — write 0, carry 1.
  • Hundreds: 9 + 1 = 10 — write 0, carry 1.
  • Thousands: 1 + 1 = 2 — write 2.

1,988 + 12 = 2,000

Second check: 2,000 − 1,988 = 12

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402 + 12414
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578 + 12590
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4,988 + 125,000
9,988 + 1210,000

FAQ

What is 1,988 + 12?

1,988 + 12 = 2,000

How do you check that 1,988 + 12 = 2,000?

Subtract one addend from the sum: 2,000 − 12 = 1,988, and 2,000 − 1,988 = 12. Getting the other addend back means the sum is right.

How many carries are there in 1,988 + 12?

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 12 + 1,988 the same as 1,988 + 12?

Yes. Addition is commutative, so both give 2,000; the column looks the same with either number on top.

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