27•14

378

Quick methods:

• 27×14 = 27×10 + 27×4 = 270 + 108 = 378
• 27×14 = 27×(20−6) = 540 − 162 = 378
• 14 = 7×2 → (27×7)×2 = 189×2 = 378
• (30−3)×14 = 420 − 42 = 378

Need more practice or a different method?