Long Multiplication: 40 × 3

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

What is 40 × 3?

Answer

40 × 3 =
120

One partial product: 40 × 3 = 120. 3 × 40 gives the same 120.

40 × 3 in a column

40
×3
120

In the column: product 120.

Step by step: 40 × 3

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 3: 40 × 3 = 120.
    • 0 × 3 = 0. Write 0.
    • 4 × 3 = 12. Write 2 and carry 1.
    • No digits are left, so the carried 1 is written in front: the partial product is 120.
  2. Product120

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Recalculate with different values ↑

Products of 40

MultiplicationProduct
30 × 390
31 × 393
32 × 396
33 × 399
34 × 3102
35 × 3105
36 × 3108
37 × 3111
38 × 3114
39 × 3117
40 × 3120
41 × 3123
42 × 3126
43 × 3129
44 × 3132
45 × 3135
46 × 3138
47 × 3141
48 × 3144
49 × 3147

FAQ

What is 40 × 3?

40 × 3 = 120

Is 40 × 3 the same as 3 × 40?

Yes. Multiplication is commutative, so both come to 120. Only the working differs: this page multiplies by 3, which gives a single partial product.

How do you check that 40 × 3 = 120?

Divide the product back by one of the factors: 120 ÷ 3 = 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 × 3?

There is only one: the multiplier 3 has a single digit, so 40 × 3 = 120 is written straight under the line, with no addition step.

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