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Grade 2 Adding & Subtracting within 1,000 Worksheet with Answers

Grade 2 (US) · Year 3 (UK) · Class 2 (India) · Math

Unit 3: Adding & Subtracting within 1,000Three-Digit NumbersCCSS 2.NBT.B.7

Adding and subtracting three-digit numbers, including regrouping across zeros. This free early elementary worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Adding & Subtracting within 1,000

Grade 2 · Math

Score___ / 12

Name

Class

Date

Learning goal: Three-Digit Numbers · CCSS 2.NBT.B.7

Directions: Solve each problem. Show your work, then write your answer in the box.

Example

560 - 340 = ?

Answer: 220

RememberAdding with regrouping

147+3683tensonesStart with the ones: 7 + 6 = 13.Write 3, carry the 1 ten.Then the tens: 1 + 4 + 3 = 8.47 + 36 = 83
  1. 1

    360 - 298 = ?

    Answer
  2. 2

    470 - 232 = ?

    Answer
  3. 3

    424 + 500 = ?

    Answer
  4. 4

    667 + 150 = ?

    Answer
  5. 5

    611 + 189 = ?

    Answer
  6. 6

    139 + 626 = ?

    Answer
  7. 7

    429 - 149 = ?

    Answer
  8. 8

    157 + 127 = ?

    Answer
  9. 9

    474 - 359 = ?

    Answer
  10. 10

    387 - 177 = ?

    Answer
  11. 11

    902 - 184 = ?

    Answer
  12. 12

    467 - 391 = ?

    Answer

★ Challenge corner for fast finishers

In this magic square every row, column and diagonal adds up to 30. Row 1: 11, 12, 7 | Row 2: 6, 10, 14 | Row 3: 13, 8, ____. What is the missing number?

1112761014138

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/math/2/add_3d

Answer key (click to show)
  1. 1.62
  2. 2.238
  3. 3.924
  4. 4.817
  5. 5.800
  6. 6.765
  7. 7.280
  8. 8.284
  9. 9.115
  10. 10.210
  11. 11.718
  12. 12.76
  13. ★9 (challenge corner)

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How to use this worksheet

  • Keep it short: a few questions at a time works better than a whole page at once for young learners.
  • Read the questions aloud together if your child is still building reading confidence.
  • Check the answers straight after, while the thinking is still fresh, and praise effort as well as results.

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Guides for teaching Adding & Subtracting within 1,000

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