Prealgebra: Whole Numbers

Name: ___________________________________________ Prealgebra: Whole Numbers
Topic A3: Rounding and Estimating Answers | VERSION A 1.
Round 72 to the nearest ten. 11. Round 6,799,841 to the nearest thousand. 2.
Round 595 to the nearest ten. 3.
Round 92,514 to the nearest ten. 12. Salary studies by mlbfanhouse.com show that major league baseball’s average player salary for the 2010 season was $3,014,572, representing an increase of 0.6 over the previous season’s average. Round the 2010 average player salary to the nearest hundred thousand. 4.
Round 6,301 to the nearest ten. 5.
6.
Round 977 to the nearest hundred. Round 9,373 to the nearest hundred. Estimate the answers to the following problems by rounding each number to the nearest hundred then adding. 13. 7.
Round 29,958 to the nearest hundred. 8.
Round 9,926 to the nearest thousand. 9.
Round 958 to the nearest thousand. 10. Round 421,989 to the nearest thousand. 14. 148 514 + 212 14,482 9,435 12,515 + 5,417 www.varsitylearning.com 1 Name: ___________________________________________ Prealgebra: Whole Numbers
Topic A3: Rounding and Estimating Answers | VERSION A Estimate the answers by rounding each number to the indicated place value then subtracting. 15. Hundred 19,484 − 10,782 ≈ 17. Thousand 16,507 − 11,180 ≈ 19. Thousand 43,406 − 23,314 ≈ 16. Thousand 8,078 − 6,506 ≈ 18. Thousand 253,915 − 149,233 ≈ 20. Ten thousand 43,406 − 23,314 ≈ www.varsitylearning.com 2 Name: ___________________________________________ Prealgebra: Whole Numbers
Topic A3: Rounding and Estimating Answers | VERSION A 1.
Round 72 to the nearest ten. 70 11. Round 6,799,841 to the nearest thousand. 6,800,000 2.
Round 595 to the nearest ten. 600 3.
Round 92,514 to the nearest ten. 92,510 4.
Round 6,301 to the nearest ten. 6,300 12. Salary studies by mlbfanhouse.com show that major league baseball’s average player salary for the 2010 season was $3,014,572, representing an increase of 0.6 over the previous season’s average. Round the 2010 average player salary to the nearest hundred thousand. $3,000,000 5.
Round 977 to the nearest hundred. 1,000 6.
Round 9,373 to the nearest hundred. 9,400 7.
Round 29,958 to the nearest hundred. 30,000 8.
Round 9,926 to the nearest thousand. 10,000 9.
Round 958 to the nearest thousand. 1,000 Estimate the answers to the following problems by rounding each number to the nearest hundred then adding. 13. 14. 148 514 + 212 800 14,482 9,435 12,515 + 5,417 41,800 10. Round 421,989 to the nearest thousand. 422,000 www.varsitylearning.com 3 Name: ___________________________________________ Prealgebra: Whole Numbers
Topic A3: Rounding and Estimating Answers | VERSION A Estimate the answers by rounding each number to the indicated place value then subtracting. 15. Hundred 16. Thousand 19,484 − 10,782 ≈ 8,700 17. Thousand 8,078 − 6,506 ≈ 1,000 18. Thousand 16,507 − 11,180 ≈ 6,000 19. Thousand 253,915 − 149,233 ≈ 105,000 20. Ten thousand 43,406 − 23,314 ≈ 48,406 − 25,314 ≈ 20,000 20,000 www.varsitylearning.com 4