Place Values and Rounding Off

Mr. Luinstra Foundations of Math 9 (MFM 1PV)

Place Values and Rounding off

4 1 6 8 9 . 2 5 4 3

Rules for Rounding Off

1. ______

2. ______

3. ______

______

4a. ______

______

4b. ______

______

______Mr. Luinstra Foundations of Math 9 (MFM 1PV)

Place Value

The area of the United States is 3 618 465 square miles, give the digit in each place named.

1. Ten's Place Value _____ 2. Ten thousand's Place ______

3. Thousand's Place _____ 4. Millions Place ______

The earth travels around the sun at a speed of 31 556 926 m/s, give the digit in each place named.

5. Hundred's Place _____ 6. Hundred thousand's Place _____

7. Million's Place _____ 8. Ten Million's Place _____

The speed of light is 670 614 120 miles per hour, give the digit in each place named.

9. One's Place _____ 10. Thousand's Place ____

11. Ten Million's Place _____ 12. Hundred Million's Place _____

Write the number in Standard form

13. One million, two hundred and thirty four thousand, five hundred.

______

14. Twelve Million, thirty four thousand and fifty.

______

15. Ninety eight million, seventy thousand, six hundred.

______

16. Seventy Million, four hundred and thirty two thousand, six hundred and twelve.

______

17. Fifty two million, three hundred and twenty six thousand, six hundred, decimal thirty eight.

______

18. Three hundred and four million, seven hundred and sixteen.

______Mr. Luinstra Foundations of Math 9 (MFM 1PV)

Place Value

Give the place value of the underlined digit.

1. 125 487 369.458 254 ______

2. 125 487 369.458 254 ______

3. 125 487 369.458 254 ______

4. 125 487 369.458 254 ______

5. 125 487 369.458 254 ______

6. 125 487 369.458 254 ______

7. 125 487 369.458 254 ______

8. 125 487 369.458 254 ______

9. 125 487 369.458 254 ______

10. 125 487 369.458 254 ______

11. 125 487 369.458 254 ______

12. 125 487 369.458 254 ______Mr. Luinstra Foundations of Math 9 (MFM 1PV)

Rounding

Round to the nearest ten. Round to the nearest hundred. 1. 857 ______11. 857 ______2. 2 663 ______12. 2 663 ______3. 8 149 ______13. 8 149 ______4. 44 057 ______14. 44 057 ______5. 78 502 ______15. 78 502 ______6. 8 043 ______16. 8 043 ______7. 54 329 ______17. 54 329 ______8. 32 435 ______18. 32 435 ______9. 65 344 ______19. 65 344 ______10. 247 432 ______20. 247 432 ______

Round to the nearest ten thousand. Round to the nearest thousand. 31. 417 857 ______21. 857 ______32. 332 663 ______22. 2 663 ______33. 558 149 ______23. 8 149 ______34. 4 124 057 ______24. 44 057 ______35. 45 278 502 ______25. 78 502 ______36. 25 588 043 ______26. 8 043 ______37. 74 554 329 ______27. 54 329 ______38. 327 432 435 ______28. 32 435 ______39. 65 645 344 ______29. 65 344 ______40. 247 472 332 ______30. 247 432 ______Mr. Luinstra Foundations of Math 9 (MFM 1PV)

Rounding

Round to the nearest tenth. Round to the nearest hundredth. 1. 5.057 64 ______11. 5.057 64 ______2. 2.663 52 ______12. 2.663 52 ______3. 8.149 36 ______13. 8.149 36 ______4. 44.057 18 ______14. 44.057 18 ______5. 78.502 93 ______15. 78.502 93 ______6. 8.043 36 ______16. 8.043 36 ______7. 54.329 45 ______17. 54.329 45 ______8. 32.435 62 ______18. 32.435 62 ______9. 6.534 14 ______19. 6.534 14 ______10. 0.247 432 ______20. 0.247 432 ______

Round to the nearest whole number . Round to the nearest thousandth. 31. 5.057 64 ______21. 5.057 64 ______32. 2.663 52 ______22. 2.663 52 ______33. 8.149 36 ______23. 8.149 36 ______34. 44.057 18 ______24. 44.057 18 ______35. 78.502 93 ______25. 78.502 93 ______36. 8.043 36 ______26. 8.043 36 ______37. 54.329 45 ______27. 54.329 45 ______38. 32.435 62 ______28. 32.435 62 ______39. 6.534 14 ______29. 6.534 14 ______40. 0.247 432 ______30. 0.247 432 ______