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    Addition with Regrouping: 829 + 71

    Addition with Regrouping Calculator
    First addend
    Second addend

    What is 829 + 71?

    Answer

    829 + 71 =
    900

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

    829 + 71 in a column. Carries are the small circled digits above the columns.
    1carry1carry
    8 2 9
    +71
    900

    Column by column: 829 + 71

    • Ones: 9 + 1 = 10 — write 0, carry 1.
    • Tens: 2 + 7 + 1 = 10 — write 0, carry 1.
    • Hundreds: 8 + 1 = 9 — write 9.

    829 + 71 = 900

    Second check: 900 − 829 = 71

    Similar examples to practise

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    829 + 71 = 900 - Addition with Regrouping. 829 + 71 = 900. Addition with regrouping step by step: 2 carries, every digit of the sum and a subtraction check.
    https://calculat.io/en/number/long-addition/829--71/generated.jpgCopy

    FAQ

    What is 829 + 71?

    829 + 71 = 900

    How do you check that 829 + 71 = 900?

    Subtract one addend from the sum: 900 − 71 = 829, and 900 − 829 = 71. Getting the other addend back means the sum is right.

    How many carries are there in 829 + 71?

    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 71 + 829 the same as 829 + 71?

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