Addition with Regrouping: 806 + 94

Addition with Regrouping Calculator
First addend
Second addend

What is 806 + 94?

Answer

806 + 94 =
900

With regrouping: 2 carries — into the tens and the hundreds

806 + 94 in a column. Carries are the small circled digits above the columns.
1carry1carry
8 0 6
+94
900

Column by column: 806 + 94

  • Ones: 6 + 4 = 10 — write 0, carry 1.
  • Tens: 0 + 9 + 1 = 10 — write 0, carry 1.
  • Hundreds: 8 + 1 = 9 — write 9.

806 + 94 = 900

Second check: 900 − 806 = 94

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FAQ

What is 806 + 94?

806 + 94 = 900

How do you check that 806 + 94 = 900?

Subtract one addend from the sum: 900 − 94 = 806, and 900 − 806 = 94. Getting the other addend back means the sum is right.

How many carries are there in 806 + 94?

2 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 94 + 806 the same as 806 + 94?

Yes. Addition is commutative, so both give 900; the column looks the same with either number on top.