Long Multiplication: 40 × 12

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

What is 40 × 12?

Answer

40 × 12 =
480

2 partial products: 40 × 2 = 80 and 40 × 10 = 400. 12 × 40 gives the same 480.

40 × 12 in a column

40
×12
80
+400
480

In the column: product 480.

Step by step: 40 × 12

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 2: 40 × 2 = 80.
    • 0 × 2 = 0. Write 0.
    • 4 × 2 = 8. Write 8.
  2. Step 2The next digit of the multiplier is 1, and it stands for 10: 40 × 10 = 400.
    • 0 × 1 = 0. Write 0.
    • 4 × 1 = 4. Write 4.
  3. Sum of the partial products80 + 400 = 480

Similar examples to practise

See Also

Products of 40

FAQ

What is 40 × 12?

40 × 12 = 480

Is 40 × 12 the same as 12 × 40?

Yes. Multiplication is commutative, so both come to 480. Only the working differs: this page multiplies by 12, which gives 2 partial products.

How do you check that 40 × 12 = 480?

Divide the product back by one of the factors: 480 ÷ 12 = 40 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 40 × 12?

They are 80 + 400, and adding them gives 480.