Multiple choice What is 18 times 30? 524 540 558 594 Reveal answer Fill a bubble to check yourself B Correct answer Explanation 18 × 30 = (10 + 8) × 30 = 300 + 240 = 540. Or directly: 18 × 3 = 54, then add a zero: 540. This is basic multiplication using the distributive property or standard algorithm.