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Quick adding to 1,000: 3rd grade math

Fluently add/subtract within 1,000. A free 3rd 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: fluently add/subtract within 1,000.

Teach (10 min)

  • Add the ones, then the tens, then the hundreds.
  • When a place adds up to 10 or more, carry a 1 to the next place.
  • 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.add3?lesson=3-add-1000&at=3

Exit ticket (5 min)

  • Three questions on a slip:
  • 1. 600 + 229 = ?
  • 2. 753 + 132 = ?
  • 3. 683 + 202 = ?

Question set

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

  1. 600 + 229 = ?
  2. 753 + 132 = ?
  3. 683 + 202 = ?
  4. 455 + 240 = ?
  5. 151 + 841 = ?
  6. 441 + 401 = ?
  7. 621 + 204 = ?
  8. 738 + 220 = ?
  9. 464 + 453 = ?
  10. 709 + 101 = ?
Answers
  1. 829
  2. 885
  3. 885
  4. 695
  5. 992
  6. 842
  7. 825
  8. 958
  9. 917
  10. 810

Printable sheet

Name: ____________________   Date: ____________

Quick adding to 1,000 (3rd grade)

  1. 342 + 352 = ?
  2. 354 + 345 = ?
  3. 262 + 107 = ?
  4. 428 + 521 = ?
  5. 511 + 208 = ?
  6. 563 + 363 = ?
  7. 682 + 128 = ?
  8. 375 + 189 = ?
  9. 583 + 299 = ?
  10. 508 + 192 = ?
  11. 284 + 534 = ?
  12. 665 + 143 = ?
Key
  1. 694
  2. 699
  3. 369
  4. 949
  5. 719
  6. 926
  7. 810
  8. 564
  9. 882
  10. 700
  11. 818
  12. 808

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.