11 times 18 is 198 — with the shortcut, the division facts and a drill to make it stick
11 × 18 = 198. That is the short answer, and it is the same answer whichever way round you write the two numbers. Below is where 198 comes from, the shortcut that gets you there without counting, the division facts that travel with it, and the fastest way to move it from "I can work it out" to "I just know it".
11 × 18 = 198. Said out loud in the way most classrooms say it: Eleven eighteens are one hundred and ninety-eight.
Multiplying is repeated addition, so 11 × 18 is eleven eighteens added together, or equally eighteen elevens added together. Both routes land on 198.
Written the other way round the answer does not change. 18 × 11 = 198 as well, because multiplication is commutative — the order of the two factors never affects the product. That halves how many facts you actually have to learn: get 11 × 18 and you have 18 × 11 for free.
Split the eleven into 10 + 1. Ten eighteens are 180, one more eighteen makes 198.
Because one of the factors is even, the answer has to be even. 198 is, so the parity check passes.
198 is a multiple of nine — its digits add to 18, which is itself a multiple of nine.
Every multiplication fact comes with a division fact on its back. These four all say the same thing about 11, 18 and 198: 11 × 18 = 198; 18 × 11 = 198; 198 ÷ 11 = 18; 198 ÷ 18 = 11.
Learning them as one family rather than four separate things is the single biggest shortcut in times-table practice. If you can answer "198 divided by 11" as fast as you can answer "11 times 18", the fact is genuinely learned rather than just recognised.
In the 11 times table, 198 is the eighteenth step: 11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 121, 132, 143, 154, 165, 176, 187, 198.
In the 18 times table it is the eleventh step instead: 18, 36, 54, 72, 90, 108, 126, 144, 162, 180, 198, 216.
Seeing the same number arrive from two directions is what makes it stick. 198 is a landmark in both rows, so whichever table you are drilling you meet it again.
11 × 17 = 187, 11 × 19 = 209, 10 × 18 = 180, 12 × 18 = 216. Those are the answers people most often give by accident when they are a beat too quick.
The gap between neighbours is worth knowing on its own: each extra eleven adds 11 to the running total, and each extra eighteen adds 18. So if 11 × 18 = 198 is solid, you can reach 11 × 19 by adding 11 rather than starting again.
Recognising a fact and recalling it under time pressure are different skills. A fact you can work out in four seconds still costs you four seconds every time it appears inside a longer calculation.
Short daily bursts beat long sessions: a 60-second drill every day will fix a table faster than one twenty-minute sitting a week. Mix the fact you are learning in among ones you already know so recall is being tested, not the order of a list.
11 times 18 is 198. In words, eleven eighteens are one hundred and ninety-eight.
18 times 11 is also 198. Swapping the two factors never changes the answer, so 18 × 11 and 11 × 18 both come to 198.
198 ÷ 11 = 18, because 11 × 18 = 198. The matching fact is 198 ÷ 18 = 11.
Split the eleven into 10 + 1. Ten eighteens are 180, one more eighteen makes 198.
Yes. 198 is the eighteenth number in the 11 times table, and the eleventh number in the 18 times table.
Every multiplication fact from 2 × 2 to 20 × 20 has its own page here, and the full grid is on the multiplication chart.