1. Find the sum. A. 1,579 B. 5,179 C. 1,679 D. 1,500 Hint 2. Samantha's family drove their car 1,341 miles going to New York and 1,289 miles returning home. What was the total number of miles driven? A. 2,620 miles B. 2,630 miles C. 2,520 miles D. 3,630 miles Hint 3. Round 67 to the nearest ten. A. 50 B. 60 C. 80 D. 70 Hint 4. Round 34 to the nearest ten. A. 70 B. 30 C. 40 D. 20 Hint 5. Find the sum. Identify the property.(2 + 9) + 4 = ___2 + (9 + 4) = ___ A. 15; Identity Property of Addition B. 15; Associative Property of Addition C. 13; Commutative Property of Addition D. 11; Commutative Property of Addition Hint 6. Estimate the sum using compatible numbers.44 + 27 = ___ A. 40 + 30 = 70 B. 40 + 50 = 90 C. 20 + 30 = 50 D. 40 + 20 = 70 Hint 7. Find the sum. A. 56 B. 66 C. 54 D. 36 Hint 8. At two movie theaters, 15 children are seeing a Western and 23 are seeing a comedy. How many children are seeing one of these two movies? A. 48 B. 38 C. 45 D. 40 Hint 9. Find the sum. A. 58¢ B. 68¢ C. 50¢ D. 48¢ Hint 10. Find the sum. A. \$88 B. \$98 C. \$718 D. \$78 Hint 11. Find the sum.147 + 175 = ___ A. 212 B. 222 C. 322 D. 312 Hint 12. Find the sum.333 + 485 = ___ A. 718 B. 728 C. 818 D. 828 Hint 13. Find the sum mentally. 9 + 8 + 2 A. 19 B. 10 C. 18 D. 17 Hint 14. Estimate the sum 46 + 12 using rounding. A. 40 + 10 = 50 B. 50 + 20 = 70 C. 40 + 20 = 60 D. 50 + 10 = 60 Hint