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• 1. Rounding Off Numbers1. To the nearest tens2. To the nearest hundreds3. To the nearest thousands4. To the nearest ten thousands5. To the nearest hundred thousands6. To the nearest millions
• 2. Place Value ChartHund Ten Milli Hund Ten Thou Hund Tens Ones red Milli ons red thous sands redsmilli ons thous ands ons ands 1 2 3 4 5 6 7 8 9 8 9 4 6 9 8 9 8 7 3 6 7 7 5 3 7 4 8 7 3 7 5 8 1 9 7 9
• 3. Rules in Rounding Off NumbersRound up if the digit on the right of the number to be rounded is 5, 6, 7, 8 or 9.Round down if the digit on the right of the number to be rounded is 1, 2, 3, or 4.See place value chart
• 4. The following numbers are rounded to the nearest tens.4, 566 – 4, 57087, 547 – 87, 550964 - 960478 - 480784 - 780
• 5. The following numbers are rounded to the nearest hundreds.567 - 60075, 543 – 75, 5009, 665 – 9, 7007, 857 – 7, 900656 - 700See numbers rounded to the nearest thousands
• 6. The following numbers are rounded to the nearest thousands6, 324 – 6, 0007, 588 – 8, 0008, 246 – 8, 0001, 768 – 2, 0002, 468 – 2, 000
• 7. The following numbers are rounded to the nearest ten thousands.17, 448 – 20, 000743, 856 – 740, 00046, 695 – 50, 000963, 786 – 960, 00057, 785, 886 – 57, 790, 000
• 8. The following numbers are rounded to the nearest hundred thousands.6, 423, 824, 632 – 6, 423, 800, 0001, 234, 567, 899 – 1, 234, 600, 0008, 765, 432, 198 – 8, 765, 400, 0002, 468, 121, 416 – 2, 468, 100, 0003, 691, 215, 161 – 3, 691, 200, 000
• 9. The following numbers are rounded to the nearest millions1, 456, 785 – 1, 000,0003, 767, 368 – 4,000, 0009, 648, 367 -1o, 000, 0009, 756, 647, 896 – 10, 000, 0008, 535, 964 -9, 000, 000