Math Rounding and Number Sequences

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Explore rounding numbers to the nearest 100, solving number sequences, and finding a number given its rounding characteristics. Practice rounding to the nearest 10 and 100, and complete worksheet questions related to these concepts.

  • Math
  • Rounding
  • Number Sequences
  • Worksheets
  • Education

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Presentation Transcript


  1. 1) 100, 200, ___ , 400, 500, 600, ___ , ___ 2) 80 + ____ = 100 3) 78 + ____ = 100 4) ____ + 45 = 100

  2. 1) 100, 200, ___ , 400, 500, 600, ___ , ___ 300 700 800 2) 80 + ____ = 100 20 3) 78 + ____ = 100 22 4) ____ + 45 = 100 55

  3. Round 130 to the nearest 100 100 100 110 120 130 140 150 160 170 180 190 200

  4. Round 130 to the nearest 100 30 70 100 110 120 130 140 150 160 170 180 190 200 130 is closer to 100 than 200 130 rounded to the nearest 100 is 100

  5. Round 138 to the nearest 100 38 62 100 200 138 138 is closer to 100 than 200 138 rounded to the nearest 100 is 100

  6. Have a go at questions 1 4 on the worksheet

  7. Dora is thinking of a number. It rounds to 400 to the nearest 100 It rounds to 450 to the nearest 10 What could Dora s number be? 445 446 447 448 449 450 451 452 453 454

  8. Round to the nearest 10 0 1 one 2 3 4 5 6 7 8 9 ones ones ones ones ones ones ones ones ones Round to the nearest 100 0 tens 1 ten 2 tens 3 tens 4 5 6 tens 7 tens 8 tens 9 tens tens tens 482 713 859

  9. Have a go at the rest of the worksheet

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