AP 3rd Maths Subtraction Workbook Answers [APSCERT 3rd Maths 3rd Unit Workbook]

AP 3rd Maths Subtraction Workbook Answers [APSCERT 3rd Maths 3rd Unit Workbook]. AP 3rd Maths Subtraction Workbook Answers are available here with detailed APSCERT 3rd Maths 3rd Unit Workbook Solutions for all exercises. This guide provides simple, step-by-step answers covering subtracting 3-digit numbers from 3-digit numbers, subtraction by estimation, and word problems, helping students understand each concept with ease. Prepared according to the latest APSCERT Class 3 Maths workbook, these solutions support classroom learning, homework, revision, and exam preparation. Students, parents, and teachers can use this article as a reliable reference to strengthen subtraction skills, improve accuracy, and build confidence in solving mathematical problems. 

📘 Unit 3: Subtraction — Workbook Answers (Class 3 Maths)

Worksheet 1 (Page 24) — Subtraction of 1-digit number from 3-digit Numbers

1. Do the following subtractions.

a) 816 − 5 = 811
b) 856 − 6 = 850
c) 924 − 3 = 921

2. There are 116 students in a school. 5 students went for games meet. How many students are now in the school?

Total students in school = 116
Students who went for games meet = 5
Students now in school = 116 − 5 = 111 students

3. There are 629 toys in the store. 6 toys are sold. How many toys are left?

Total toys in store = 629
Toys sold = 6
Toys left in store = 629 − 6 = 623 toys

4. Do the subtractions (432 − 7) and (431 − 6) and compare which is greater?

432 − 7 = 425
431 − 6 = 425
Both results are equal (425).

5. Answer the following.

a) Out of 469 mangoes, 8 mangoes were eaten. How many mangoes remained?

Total mangoes = 469
Mangoes eaten = 8
Mangoes remaining = 469 − 8 = 461 mangoes

b) What is the 5th number before 125?

Numbers before 125: 124, 123, 122, 121, 120
5th number before 125 = 120

Worksheet 2 (Page 25) — Subtraction of 2-digit numbers from 3-digit Numbers

1. Do the following subtractions.

a) 168 − 12 = 156
b) 339 − 24 = 315
c) 592 − 21 = 571
d) 663 − 40 = 623

2. Answer the following questions.

a) After spending from ₹799, there were only ₹75 remained. How much amount was spent?

Total amount = ₹799
Amount remained = ₹75
Amount spent = 799 − 75 = ₹724

b) Calculate the differences, which two are equal? 43 − 18, 65 − 50, 37 − 12

43 − 18 = 25
65 − 50 = 15
37 − 12 = 25
43 − 18 and 37 − 12 are equal (both = 25)

c) A vendor had 376 milk packets in the morning. At closing time, 35 packets were left. How many packets were sold?

Number of milk packets in the morning = 376
Number of milk packets at closing time = 35
Number of milk packets sold = 376 − 35 = 341 packets

Worksheet 3 (Page 26) — Subtraction of 3-digit numbers from 3-digit Numbers APTEACHERS.IN

1. Do the following subtractions.

a) 188 − 107 = 081
b) 245 − 102 = 143
c) 379 − 214 = 165
d) 578 − 124 = 454

2. Answer the following questions.

a) There are 361 soldiers in a battalion. Only 250 soldiers have guns. How many guns are needed for the remaining soldiers?

Total soldiers = 361
Soldiers who have guns = 250
Guns needed = 361 − 250 = 111 guns

b) The cost of a photo is ₹380. If you have ₹270, how much more money is required?

Cost of photo = ₹380
Money available = ₹270
Money required = 380 − 270 = ₹110

c) There are 476 pupils in the school. Out of them 245 are boys. How many girls are there?

Number of pupils in school = 476
Number of boys = 245
Number of girls = 476 − 245 = 231 girls

Worksheet 4 (Page 27) — Subtraction of 3-digit numbers with regrouping

1. Do the following subtractions.

247 − 159 = 088
417 − 299 = 118
563 − 198 = 365
642 − 143 = 499

2. Chandini gave ₹398 for orphanage, Vyshanavi gave ₹359. Who gave more money and how much?

Amount given by Chandini = ₹398
Amount given by Vyshanavi = ₹359
Difference = 398 − 359 = ₹39 — Chandini gave ₹39 more.

3. Rama Rao wanted to make 300 toys. So far he has made only 186. How many more toys does he need to make?

Total toys needed = 300
Toys already made = 186
More toys to make = 300 − 186 = 114 toys

4. What is the difference between the 3-digit biggest number and the 3-digit smallest number?

3-digit biggest number = 999
3-digit smallest number = 100
Difference = 999 − 100 = 899

Worksheet 5 (Page 28) — Subtraction by Complementary Addition

1. Which number should be subtracted from 347 to get 291?

Given number = 347
Number to get = 291
Number to subtract = 347 − 291 = 56

2. By how much 315 is greater than 238?

Larger number = 315
Smaller number = 238
Difference = 315 − 238 = 77

3. A student scored 280 marks. He wishes to raise it to 400 marks. How many more marks should he get?

Marks needed = 400
Marks scored = 280
More marks needed = 400 − 280 = 120 marks

4. A teacher has to correct 145 worksheets. She corrected only 137. How many more sheets should she correct?

Total worksheets = 145
Worksheets corrected = 137
Worksheets remaining = 145 − 137 = 8 worksheets

5. Out of 907 books in a library, 765 have been distributed. How many books remain?

Total books in library = 907
Books distributed = 765
Books remaining = 907 − 765 = 142 books

Worksheet 6 (Page 29) — Word Problems on Subtraction

1. A bus traveled 936 km in a week. It traveled 487 km in the first four days. How many kilometers did it travel in the remaining days?

Total distance traveled in a week = 936 km
Distance traveled in first 4 days = 487 km
Distance traveled in remaining days = 936 − 487 = 449 km

2. Solve 534 − 287 and 534 − 286. Which difference is greater?

534 − 287 = 247
534 − 286 = 248
534 − 286 gives the greater difference (248)

3. Raju wants to save ₹909 for his birthday. He has already saved ₹389. How much more does he need to save?

Total amount needed = ₹909
Amount already saved = ₹389
Amount still needed = 909 − 389 = ₹520

4. In a bike showroom, there are 475 bikes. Out of them 175 are sold. How many are left after sale?

Total bikes in showroom = 475
Bikes sold = 175
Bikes left = 475 − 175 = 300 bikes

Worksheet 7 (Page 30) — Subtraction by Estimation 3rd Maths Subtraction Workbook Answers

1. Find the answer with Estimation.

a) 382 − 140: 382 is nearer to 400, 140 is nearer to 100 → 400 − 100 = 300
b) 525 − 305: 525 is nearer to 500, 305 is nearer to 300 → 500 − 300 = 200
c) 685 − 540: 685 is nearer to 700, 540 is nearer to 500 → 700 − 500 = 200
d) 999 − 564: 999 is nearer to 1000, 564 is nearer to 600 → 1000 − 600 = 400

2. The school has ₹6960 in total as grant. They spent ₹2321 for snacks. Estimate to the nearest hundred how much money remains.

Total grant (rounded) = 6960 ≈ 7000
Amount spent (rounded) = 2321 ≈ 2300
Estimated remaining amount = 7000 − 2300 = ₹4700

3. A farmer harvested 3468 guavas and sold 1749 of them. Estimate the remaining fruits to the nearest hundred.

Guavas harvested (rounded) = 3468 ≈ 3500
Guavas sold (rounded) = 1749 ≈ 1700
Estimated remaining guavas = 3500 − 1700 = 1800 guavas

4. There are 195 mangoes in a basket. 157 are sold. Estimate the remaining fruits to the nearest hundred. ( )

Mangoes in basket (rounded) = 195 ≈ 200
Mangoes sold (rounded) = 157 ≈ 150
Estimated remaining mangoes = 200 − 150 = 50
Answer: C) 50

Self Assessment — 1 (Page 31)

1. Do the Subtractions.

a) 486 − 273 = 213
b) 739 − 458 = 281

2. Fill in the blanks.

a) How many more rupees are needed to make 550 equal to 750?

Required total = 750
Amount already = 550
More rupees needed = 750 − 550 = ₹200

b) 375 + 125 = 500

c) 700 + 200 = 900 can be written as 900 − 700 = 200 and 900 − 200 = 700

3. Find the mistakes in the following problems and correct it.

a) 453 − 30 (shown answer 153 is wrong)

Correct subtraction: 453 − 30 = 423

b) 745 − 295 (shown answer 550 is wrong)

Correct subtraction: 745 − 295 = 450

4. A villager donated 125 blankets last year and 270 blankets this year. How many additional blankets did he donate this year?

Blankets donated this year = 270
Blankets donated last year = 125
Additional blankets donated = 270 − 125 = 145 blankets

Self Assessment — 2 (Page 32)

1. A customer gives a ₹500 rupee note for a bill of ₹215. How much amount will he get back?

Amount given = ₹500
Bill amount = ₹215
Amount returned = 500 − 215 = ₹285

2. There are 350 books in a shelf. Out of them 139 are kept on one side. How many are on the other side?

Total books = 350
Books on one side = 139
Books on other side = 350 − 139 = 211 books

3. In a sports shop, there are 600 bats. 350 bats are sold out. How many bats remain?

Total bats = 600
Bats sold = 350
Bats remaining = 600 − 350 = 250 bats

4. Which number comes after 800, 750, 700, 650, ___? ( )

The pattern decreases by 50 each time: 800, 750, 700, 650, 600
Answer: C) 600

5. The difference in tens place value of 352 and 479 is ___. ( )

Tens place value of 352 = 50
Tens place value of 479 = 70
Difference = 70 − 50 = 20 = 2 tens
Answer: D) 2 tens