Long Multiplication: 90 × 8

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

What is 90 × 8?

Answer

90 × 8 =
720

One partial product: 90 × 8 = 720. 8 × 90 gives the same 720.

90 × 8 in a column

90
×8
720

In the column: product 720.

Step by step: 90 × 8

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 8: 90 × 8 = 720.
    • 0 × 8 = 0. Write 0.
    • 9 × 8 = 72. Write 2 and carry 7.
    • No digits are left, so the carried 7 is written in front: the partial product is 720.
  2. Product720

Similar examples to practise

See Also

Products of 90

FAQ

What is 90 × 8?

90 × 8 = 720

Is 90 × 8 the same as 8 × 90?

Yes. Multiplication is commutative, so both come to 720. Only the working differs: this page multiplies by 8, which gives a single partial product.

How do you check that 90 × 8 = 720?

Divide the product back by one of the factors: 720 ÷ 8 = 90 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 90 × 8?

There is only one: the multiplier 8 has a single digit, so 90 × 8 = 720 is written straight under the line, with no addition step.