Addition with Regrouping: 964 + 36

Addition with Regrouping Calculator
First addend
Second addend

What is 964 + 36?

Answer

964 + 36 =
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

964 + 36 in a column. Carries are the small circled digits above the columns.
1carry1carry1carry
9 6 4
+36
1000

Column by column: 964 + 36

  • Ones: 4 + 6 = 10 — write 0, carry 1.
  • Tens: 6 + 3 + 1 = 10 — write 0, carry 1.
  • Hundreds: 9 + 1 = 10 — write 0, carry 1.
  • Thousands: the carried 1 — write 1.

964 + 36 = 1,000

Second check: 1,000 − 964 = 36

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FAQ

What is 964 + 36?

964 + 36 = 1,000

How do you check that 964 + 36 = 1,000?

Subtract one addend from the sum: 1,000 − 36 = 964, and 1,000 − 964 = 36. Getting the other addend back means the sum is right.

How many carries are there in 964 + 36?

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 36 + 964 the same as 964 + 36?

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