Times table tricks › The 4s · En español

The 4 times table trick

Double it, then double again.

1. 4 × 6
2. 6 + 6 = 12
3. 12 + 12 = 24

1. Double it: 4 × 6 starts with 12.
2. Double again: 12 + 12 = 24.

Examples

• 4 × 6: 6 → 12 → 24
• 4 × 9: 9 → 18 → 36

Why it works

4 is 2 × 2, so multiplying by 4 is multiplying by 2 twice.

Try it: 10 questions

The 4 times table

• 4 × 1 = 4
• 4 × 2 = 8
• 4 × 3 = 12
• 4 × 4 = 16
• 4 × 5 = 20
• 4 × 6 = 24
• 4 × 7 = 28
• 4 × 8 = 32
• 4 × 9 = 36
• 4 × 10 = 40
• 4 × 11 = 44
• 4 × 12 = 48

Printable sheet (PDF) The trick, the full table and 20 practice problems with answers, on one page.

Flash cards (PDF)

Common questions

How do I learn the 4 times table fast?

If you know the 2s, you know the 4s: double the 2s answer. 2 × 7 = 14, so 4 × 7 = 28.

More tricks: 2 · 3 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12. Or take the 1-minute multiplication test.