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# Rounding Numbers

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### Rounding Numbers

1. 1. <ul><li>BELL RINGER </li></ul><ul><li>19 + 26 + 23 = </li></ul><ul><li>68 </li></ul><ul><li>+48 </li></ul><ul><li>List these in decreasing order of length: </li></ul><ul><li>3 cm, 3 m, 3 mm </li></ul><ul><li>What is six hours after 2 p.m.? </li></ul><ul><li>5. One cup of popcorn kernels makes four cups of popped corn. There are six cups of kernels in a bag. How many cups of popped corn will one bag make? </li></ul>68 116 3 m, 3 cm, 3mm 8 p.m. 24 cups
2. 2. PLACE VALUE REVIEW Find the place value for the digit 7. 572,163 ten-thousand 726,468 hundred-thousand 268,317 ones 649,752 hundreds 46,971 tens
3. 3. ROUNDING
4. 4. THE ROUNDING POEM Find your number. Look right next door. 4 or less just ignore. 5 or more, add 1 more.
5. 5. Round this number to the nearest ten thousand. Find your number. 3 6 8,9 7 1 Circle the number in the ten thousands place.
6. 6. Round this number to the nearest ten thousand. Look right next door. 3 6 8,9 7 1 Draw an arrow to the right of the number.
7. 7. Round this number to the nearest ten thousand. 4 or less, just ignore. 3 6 8,9 7 1 8 is larger than 4 so go to the next line of the poem.
8. 8. Round this number to the nearest ten thousand. 5 or more, add 1 more. 3 6 8,9 7 1 Add 1 to the 6. +1
9. 9. Round this number to the nearest ten thousand. 5 or more, add 1 more. 3 7 0,0 0 0 Add 1 to the 6 and all the numbers to the right of the 7 become 0’s.
10. 10. The Answer 368,971 rounded to the nearest ten thousand is 3 7 0,0 0 0
11. 11. Round this number to the nearest thousand. Find your number. 3 5, 3 2 7 Circle the number in the thousands place.
12. 12. Round this number to the nearest thousand. Look right next door. 3 5, 3 2 7 Draw an arrow to the right of the number.
13. 13. Round this number to the nearest thousand. 4 or less, just ignore. 3 5, 3 2 7 Since 3 is less than 4 we do not change the 5.
14. 14. Round this number to the nearest thousand. 4 or less, just ignore. 3 5, 0 0 0 Change the numbers to left of 5 to 0’s.
15. 15. The Answer 35,327 rounded to the nearest thousand is 3 5, 0 0 0
16. 16. Round this number to the nearest dollar. Find your number. \$ 5. 8 7 Circle the number where the dollars are.
17. 17. Round this number to the nearest dollar. Look right next door. \$ 5. 8 7 Draw an arrow to the right of the circled number.
18. 18. Round this number to the nearest dollar. 4 or less, just ignore. \$ 5. 8 7 8 is greater than 4 so go to the next line of the poem.
19. 19. Round this number to the nearest dollar. 5 or more, add 1 more. \$ 5. 8 7 Since 8 is greater than 5 add 1 to the 5. +1
20. 20. Round this number to the nearest dollar. 5 or more, add 1 more. \$ 6. 0 0 Change the 5 to a 6 and change all the numbers to the right to 0’s.
21. 21. The Answer \$5.87 rounded to the nearest dollar is \$ 6. 0 0
22. 22. Round this number to the nearest hundred. 6,480 6,500
23. 23. Round this number to the nearest tens. 7,239 7,240
24. 24. Round this number to the nearest thousands. 28,731 29,000
25. 25. Round this number to the nearest hundred thousands. 289,962 300,000