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The 18 Times Table
What is 6 x 18?

The 18 Times Table

Crack the 18 times table with patterns, doubles and nines. Build fluency, estimate quickly, and use eighteen facts to tackle KS3 problems in time, distance, area and ratio.

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Fascinating Fact:

A sports day lap of 400 metres done 18 times is 7,200 metres, that is 18 × 400 m = 7.2 km.

In KS3 Maths, the 18 times table builds speed with scaling. Use patterns like 18 = 9 × 2, round-and-adjust 20n − 2n, or double 9n to solve questions in measurement, area, and ratio.

Key Terms

  • Multiple: A number in the 18 times table (18, 36, 54, 72, …).
  • Factor pair: Two whole numbers multiplied to make another (for 18: 1×18, 2×9, 3×6).
  • Round and adjust: A strategy using a nearby easy fact, then correcting (e.g., 20n − 2n).

Ready to practise before the FAQs? Sharpen recall with the Multiplication Game and time yourself on 18× facts.

Frequently Asked Questions (Click to see answers)

What are easy tricks for the 18 times table?

Use 18 × n = (9 × n) × 2, or round and adjust: 18 × n = (20 × n) − (2 × n). Doubling 9n is quick once you know your 9s.

Is there a quick test for multiples of 18?

Yes. A number is a multiple of 18 if it is even and its digit sum is a multiple of 9. (18 = 2 × 9, so it must pass both checks.)

Where do we use 18× in real life?

Athletics laps, packs of 18 items, grid arrays like 3 × 6, tiling and area scaling, and time calculations such as 18-minute intervals all use 18× facts.

Try These Related Quizzes

1 .
What is 3 x 18
60
54
61
44
In Roman numerals 54 is represented as LIV
2 .
What is 16 x 18
298
284
283
288
288 is 2 dozen sets of a dozen, or 2 gross
3 .
What is 7 x 18
126
124
132
117
7 x 2 = 14 and 7 x 20 = 140 so 140 - 14 = 7 x 18
4 .
What is 13 x 18
243
226
240
234
10 x 18 = 180 and 3 x 18 = 54. So, to find 13 x 18 just add 180 and 54 together
5 .
What is 5 x 18
81
90
96
86
10 x 18 = 180 so halve this to find the answer
6 .
What is 19 x 18
348
342
338
352
2 x 18 = 36 so 20 x 18 = 360. Therefore 360 - 18 = 19 x 18
7 .
What is 15 x 18
262
280
270
268
10 x 18 = 180 so 5 x 18 = 90. Add 180 to 90 to find 15 x 18
8 .
What is 4 x 18
74
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62
72
72 is the sum of four consecutive primes (13 + 17 + 19 + 23 = 72) and also the sum of six consecutive primes (5 + 7 + 11 + 13 + 17 + 19 = 72)
9 .
What is 9 x 18
167
162
153
157
10 x 18 = 180 so 180 - 18 = 9 x 18
10 .
What is 11 x 18
198
203
200
190
10 x 18 = 180 and 180 + 18 = 198
Author:  Frank Evans (Specialist 11 Plus Teacher and Tutor)
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