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BEGINNERMental Math

Multiply by 5 Instantly

Multiply any number by 5 using division

SSCIBPS

Multiplying by 5 is the same as multiplying by 10 and dividing by 2!

Formula

N × 5 = N × 10 ÷ 2 = N ÷ 2 × 10

How It Works

0

Divide the number by 2

1

Multiply by 10 (add a zero)

Examples

📝 48 × 5 = 48 ÷ 2 × 10 = 24 × 10 = 240

📝 246 × 5 = 246 ÷ 2 × 10 = 123 × 10 = 1230

Pro Tips

💡 For odd numbers: 37 × 5 = 36 ÷ 2 × 10 + 5 = 180 + 5 = 185

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