Long Multiplication: 28 × 9

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

What is 28 × 9?

Answer

28 × 9 =
252

One partial product: 28 × 9 = 252. 9 × 28 gives the same 252.

28 × 9 in a column

28
×9
252

In the column: product 252.

Step by step: 28 × 9

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 9: 28 × 9 = 252.
    • 8 × 9 = 72. Write 2 and carry 7.
    • 2 × 9 = 18, plus the carried 7 makes 25. Write 5 and carry 2.
    • No digits are left, so the carried 2 is written in front: the partial product is 252.
  2. Product252

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Recalculate with different values ↑

Products of 28

MultiplicationProduct
18 × 9162
19 × 9171
20 × 9180
21 × 9189
22 × 9198
23 × 9207
24 × 9216
25 × 9225
26 × 9234
27 × 9243
28 × 9252
29 × 9261
30 × 9270
31 × 9279
32 × 9288
33 × 9297
34 × 9306
35 × 9315
36 × 9324
37 × 9333

FAQ

What is 28 × 9?

28 × 9 = 252

Is 28 × 9 the same as 9 × 28?

Yes. Multiplication is commutative, so both come to 252. Only the working differs: this page multiplies by 9, which gives a single partial product.

How do you check that 28 × 9 = 252?

Divide the product back by one of the factors: 252 ÷ 9 = 28 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 28 × 9?

There is only one: the multiplier 9 has a single digit, so 28 × 9 = 252 is written straight under the line, with no addition step.

See Also