MATH CAT Addition & Subtraction
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MATH CAT 基礎卷 · Easy

小二加法與減法練習 P2 Addition & Subtraction Practice

小二 P2 · 難度 Level 1–3 · 15 題 questions

香港教育局課程 · Hong Kong EDB curriculum — 學習範疇 Strand: 數 Number · 學習單元 Learning Unit: 2N2, 2N5

姓名 Name: ______________________ 日期 Date: ______________ 分數 Score: ______ / 15

請圈出最佳答案。 · Circle the best answer.

1.

74 − 43 = ___

  1. A. 28
  2. B. 29
  3. C. 30
  4. D. 31

2.

3574 − 415 = ___

  1. A. 3169
  2. B. 3159
  3. C. 3158
  4. D. 3149

3.

988 − 786 = ___

  1. A. 1774
  2. B. 203
  3. C. 202
  4. D. 201

4.

7828 − 946 = ___

  1. A. 6882
  2. B. 6883
  3. C. 8774
  4. D. 6892

5.

139 + 228 = ___

  1. A. 367
  2. B. 357
  3. C. 377
  4. D. 368

6.

店長有 196 個氣球，其中 195 個已充氣。沒有充氣的有 _____ 個。

The shopkeeper has 196 balloons. 195 are inflated. How many are not inflated?

  1. A. 0
  2. B. 1
  3. C. 2
  4. D. 3

7.

93 − 76 = ___

  1. A. 14
  2. B. 15
  3. C. 17
  4. D. 16

8.

7455 + 1285 = ___

  1. A. 8750
  2. B. 6170
  3. C. 8741
  4. D. 8740

9.

63 − 19 = ___

  1. A. 41
  2. B. 44
  3. C. 43
  4. D. 42

10.

1222 + 3204 = ___

  1. A. 4427
  2. B. 4416
  3. C. 4426
  4. D. 4425

11.

928 − 54 = ___

  1. A. 875
  2. B. 884
  3. C. 874
  4. D. 873

12.

2916 + 4918 = ___

  1. A. 7835
  2. B. 2002
  3. C. 7834
  4. D. 7844

13.

358 − 251 = ___

  1. A. 97
  2. B. 106
  3. C. 108
  4. D. 107

14.

6196 − 6055 = ___

  1. A. 140
  2. B. 131
  3. C. 12251
  4. D. 141

15.

247 − 145 = ___

  1. A. 112
  2. B. 92
  3. C. 102
  4. D. 103
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MATH CAT 答案 · Answer Key

小二加法與減法 · 基礎卷 P2 Addition & Subtraction · Easy

1. D 31

喵～個位不夠減，向十位借一位！借了之後十位就少一個喔！Meow—ones not big enough? Borrow from the tens! Then tens loses 1.

2. B 3159

喵～個位不夠減？向左邊的十位借 1 個十就夠喇！🐾 用直式把各位對齊來計算吧！Meow! Ones too small to subtract? Borrow 1 ten from the next column. 🐾 Try the vertical method — line up the columns!

3. C 202

喵～個位減個位、十位減十位，逐位分開減就得！🐾Meow! Subtract the ones, tens, hundreds separately — no borrowing! 🐾

4. A 6882

喵～個位不夠減？向左邊的十位借 1 個十就夠喇！🐾 用直式把各位對齊來計算吧！Meow! Ones too small to subtract? Borrow 1 ten from the next column. 🐾 Try the vertical method — line up the columns!

5. A 367

喵～從個位開始相加，每滿 10 就向左邊進 1 個！🐾 用直式把各位對齊來計算吧！Meow! Start with the ones; when a column reaches 10, carry 1 left. 🐾 Try the vertical method — line up the columns!

6. B 1

喵！總數減去已充氣的，就是未充氣的！ 一步一步想，你一定做到！Meow! Total minus inflated = not inflated!

7. C 17

喵～個位不夠減，向十位借一位！借了之後十位就少一個喔！Meow—ones not big enough? Borrow from the tens! Then tens loses 1.

8. D 8740

喵～從個位開始相加，每滿 10 就向左邊進 1 個！🐾 用直式把各位對齊來計算吧！Meow! Start with the ones; when a column reaches 10, carry 1 left. 🐾 Try the vertical method — line up the columns!

9. B 44

喵～個位夠減就直接算，不用借位！ 一步一步想，你一定做到！Meow—if the ones digit is big enough, subtract without borrowing!

10. C 4426

喵～個位加個位、十位加十位，逐位分開加就成功！🐾Meow! Add the ones, tens, hundreds separately — no carrying needed! 🐾

11. C 874

喵～個位不夠減？向左邊的十位借 1 個十就夠喇！🐾 用直式把各位對齊來計算吧！Meow! Ones too small to subtract? Borrow 1 ten from the next column. 🐾 Try the vertical method — line up the columns!

12. C 7834

喵～從個位開始相加，每滿 10 就向左邊進 1 個！🐾 用直式把各位對齊來計算吧！Meow! Start with the ones; when a column reaches 10, carry 1 left. 🐾 Try the vertical method — line up the columns!

13. D 107

喵～個位減個位、十位減十位，逐位分開減就得！🐾Meow! Subtract the ones, tens, hundreds separately — no borrowing! 🐾

14. D 141

喵～個位減個位、十位減十位，逐位分開減就得！🐾Meow! Subtract the ones, tens, hundreds separately — no borrowing! 🐾

15. C 102

喵～個位減個位、十位減十位，逐位分開減就得！🐾Meow! Subtract the ones, tens, hundreds separately — no borrowing! 🐾