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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 × 10How 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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