What is 9 × 9?
"Multiplication Facts" Calculator
What is 9 × 9?
Answer
9 × 9 = 81
9 × 9 = 81 — one of the 45 multiplication facts that the times tables hold. Below: the addition behind it, the division that undoes it and the row it sits in.
Where the Answer Comes From
Multiplying is adding the same number over and over: 9 × 9 is 9 lots of 9.
9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 = 81
The Divisions That Undo It
Division undoes multiplication, so this fact gives one division back — both factors are the same number.
Where It Sits in the Tables
A square sits on the diagonal of the grid: it appears once, in the 9 times table, rather than twice like the other facts.
See Also
- Times Table Chart - Any number from 1 to 100, rows from ×1 to ×12
- Long Multiplication Calculator - Column multiplication with partial products, step by step
- Long Division Calculator - Step-by-step long division with detailed explanation
- Factors of a Number - List all Factors and Factor Pairs of a Number
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The 9 times table row
About "Multiplication Facts" Calculator
Multiplying two single digits is repeated addition written short: 9 × 9 is 9 lots of 9. Enter two numbers from 1 to 9 (e.g. '9' and '9') to get the product, how it is built, the division that undoes it and the table row it belongs to.