1. Name the place-value position of the underlined digit in 7,529.487. A. thousands B. thousandths C. hundreds D. hundredths Hint 2. Find 4 + 9. A. 13 B. 36 C. 49 D. 5 Hint 3. Round 78 to the underlined place. A. 100 B. 70 C. 77 D. 80 Hint 4. Round 4,378 to the underlined place. A. 5,000 B. 4,000 C. 4,400 D. 4,300 Hint 5. Which choice uses rounded numbers to get an estimate? A. 600 + 200 = 800 B. 600 − 200 = 400 C. 500 − 200 = 300 D. 500 + 200 = 700 Hint 6. Which choice uses rounded numbers to get an estimate? A. 16 − 8 = 8 B. 17 + 8 = 25 C. 17 − 8 = 9 D. 16 + 8 = 24 Hint 7. Find 4,307 + 5,787. A. 9,090 B. 9,094 C. 10,094 D. 9,084 Hint 8. Find 6,030 − 4,206. A. 10,236 B. 2,834 C. 1,824 D. 1,834 Hint 9. Find 3.56 + 4.13. A. 7.69 B. 7.79 C. 0.57 D. 7.63 Hint 10. Find 5.65 − 5.27. A. 0.58 B. 10.92 C. 0.38 D. 0.48 Hint 11. Name the Addition Property that is shown.15 + (75 + 82) = (15 + 75) + 82 A. Commutative Property B. Associative Property C. Identity Property D. Distributive Property Hint 12. Name the property of addition that helps you find the sum mentally. 8.3 + 5.5 + 0.7 = 14.5 A. Identity Property B. Associative Property C. Commutative Property D. Distributive Property Hint 13. Find the result mentally.12.4 − 7.1 A. 5.5 B. 4.3 C. 19.5 D. 5.3 Hint 14. Find the result mentally.57 + 68 A. 1,115 B. 125 C. 115 D. 9 Hint