1. There are 3 boat docks at a beach. If each dock has 5 boats tied to it, how many boats are there altogether? A. 15 B. 8 C. 13 D. 18 Hint 2. 8 × 3 = ? 8 × 30 = ? 8 × 300 = ? 8 × 3,000 = ? A. 240; 2,400; 24,000; 240,000 B. 24; 240; 2,400; 24,000 C. 11; 110; 1,100; 11,000 D. 2.4; 24; 240; 2,400 Hint 3. How can you determine how many zeros to add to the stem of the multiplication problem? A. You always add two zeros to each number after you multiply the stem. B. Add a zero for the total number of digits in each number. C. Add a zero for each number in the stem. D. Add the same number of zeros that the numbers have after you take off the stem. Hint 4. A. 50 B. 90 C. 32 D. 60 Hint 5. A. 46 B. 63 C. 76 D. 84 Hint 6. A. 160 B. 304 C. 376 D. 324 Hint 7. A. 5,244 B. 5,844 C. 4,824 D. 1,530 Hint 8. Round 74 to the nearest ten. A. 70 B. 80 C. 75 D. 65 Hint 9. Estimate 82 × 6. Round to the nearest ten. A. 90 × 6 = 150 B. 80 × 6 = 140 C. 80 × 6 = 480 D. 90 × 6 = 540 Hint 10. Estimate 770 × 2. Round to the nearest hundred. A. 770 × 2 = 1,540 B. 800 × 2 = 1,000 C. 800 × 2 = 1,600 D. 700 × 2 = 1,400 Hint 11. Find the product. A. 26 B. 69 C. 63 D. 29 Hint 12. Find the product. A. 21,597 B. 11,048 C. 22,897 D. 22,847 Hint