Long Multiplication: 100 × 11

Long Multiplication Calculator
Multiplicand (number to be multiplied)
Multiplier (number to multiply by)

What is 100 × 11?

Answer

100 × 11 =
1,100

2 partial products: 100 × 1 = 100 and 100 × 10 = 1,000. 11 × 100 gives the same 1,100.

100 × 11 in a column

100
×11
100
+1000
1100

In the column: product 1,100.

Step by step: 100 × 11

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 1: 100 × 1 = 100.
    • 0 × 1 = 0. Write 0.
    • 0 × 1 = 0. Write 0.
    • 1 × 1 = 1. Write 1.
  2. Step 2The next digit of the multiplier is 1, and it stands for 10: 100 × 10 = 1,000.
    • 0 × 1 = 0. Write 0.
    • 0 × 1 = 0. Write 0.
    • 1 × 1 = 1. Write 1.
  3. Sum of the partial products100 + 1,000 = 1,100

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FAQ

What is 100 × 11?

100 × 11 = 1,100

Is 100 × 11 the same as 11 × 100?

Yes. Multiplication is commutative, so both come to 1,100. Only the working differs: this page multiplies by 11, which gives 2 partial products.

How do you check that 100 × 11 = 1,100?

Divide the product back by one of the factors: 1,100 ÷ 11 = 100 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 100 × 11?

They are 100 + 1,000, and adding them gives 1,100.

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