20 times table: trick and speed drill
Double it, then add a zero. Then put it to work with a free 60-second drill.
The trick for the 20 times table
Double it, then add a zero. 20 × n is 2 × n with a zero on the end.
- 20 × 7 = 140
- 20 × 13 = 260
- 20 × 48 = 960
How the drill works
You get 60 seconds of 20 times table questions in both directions: multiplication like 20 × 7 and division like 140 ÷ 20. Type the answer and it is accepted the moment it is right. Your scores, best and slowest facts are saved on your device, so you can see the table getting quicker.
The 20 times table, 1 to 12
| Sum | Answer |
|---|---|
| 20 × 1 | 20 |
| 20 × 2 | 40 |
| 20 × 3 | 60 |
| 20 × 4 | 80 |
| 20 × 5 | 100 |
| 20 × 6 | 120 |
| 20 × 7 | 140 |
| 20 × 8 | 160 |
| 20 × 9 | 180 |
| 20 × 10 | 200 |
| 20 × 11 | 220 |
| 20 × 12 | 240 |
Also called the twenty times table, the 20x table, or multiplying by 20.
Questions people ask
What is the fastest way to learn the 20 times table?
Learn one shortcut (double it, then add a zero) and then drill it under a timer for a minute a day. Speed comes from repetition, not from reading the table.
How do I check a 20 times table answer quickly?
Estimate first: round the other number to the nearest 10 and multiply. If your answer is far from the estimate, recheck it.
Is the 20 times table tested in trading interviews?
Trading firm arithmetic tests use mixed questions rather than one table, but fast table facts are what make the bigger sums quick.