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Round big numbers: 4th grade math

Round multi-digit numbers to any place. A free 4th grade lesson plan, a question set with answers and a printable sheet with its key. Copy it and make it yours.

Lesson plan

Goal

  • Students can do this: round multi-digit numbers to any place.

Teach (10 min)

  • Find the two round numbers on either side, and the halfway point.
  • At halfway or past it, round up. Before it, round down.
  • Work one example on the board while students say each step aloud, then do one together.

Practise (15 min)

  • Students work the printable sheet in pairs, then alone.
  • Or practise it as a game with no sign-up: https://peabody.kids/math/whole.placeBig?lesson=4-round&at=4

Exit ticket (5 min)

  • Three questions on a slip:
  • 1. Round 17,444 to the nearest 1,000.
  • 2. Round 18,623 to the nearest 1,000.
  • 3. Round 13,999 to the nearest 1,000.

Question set

10 questions that read in words, easiest first. Questions that need a picture are on the printable sheet below.

  1. Round 17,444 to the nearest 1,000.
  2. Round 18,623 to the nearest 1,000.
  3. Round 13,999 to the nearest 1,000.
  4. Round 11,799 to the nearest 1,000.
  5. Round 1,685 to the nearest 100.
  6. Round 17,222 to the nearest 1,000.
  7. Round 9,593 to the nearest 100.
  8. Round 14,295 to the nearest 1,000.
  9. Round 383,862 to the nearest 1,000.
  10. Round 597,137 to the nearest 10,000.
Answers
  1. 17,000
  2. 19,000
  3. 14,000
  4. 12,000
  5. 1,700
  6. 17,000
  7. 9,600
  8. 14,000
  9. 384,000
  10. 600,000

Printable sheet

Name: ____________________   Date: ____________

Round big numbers (4th grade)

  1. Round 13,580 to the nearest 1,000.
  2. Round 15,531 to the nearest 1,000.
  3. Round 8,982 to the nearest 100.
  4. Round 17,009 to the nearest 1,000.
  5. Round 19,941 to the nearest 1,000.
  6. Round 342,537 to the nearest 1,000.
  7. Round 206,579 to the nearest 10,000.
  8. Round 952,790 to the nearest 10,000.
  9. Round 190,641 to the nearest 10,000.
  10. Round 496,971 to the nearest 10,000.
  11. Round 673,896 to the nearest 10,000.
  12. Round 896,882 to the nearest 10,000.
Key
  1. 14,000
  2. 16,000
  3. 9,000
  4. 17,000
  5. 20,000
  6. 343,000
  7. 210,000
  8. 950,000
  9. 190,000
  10. 500,000
  11. 670,000
  12. 900,000

Written by Peabody from its own skill pages. Free, no ads, no sign-in. Children can practise this on Peabody. More from teachers: teacher-shared resources.