Addition and Subtraction Workbook

1 Addition and Subtraction WorkbookHome Learning Year 3 Maths Workbook Pack Year 3 Programme of Study Addition and SubtractionStatutory RequirementsWorksheetPage NumberNotesA three digit number and onesAdding ones to a 3 digit number worksheetSubtracting ones from a 3 digit number worksheet45A three digit number and tensAdding tens to a 3 digit number worksheetSubtracting tens from a 3 digit number worksheet67A three digit number and hundreds to a 3 digit number worksheetSubtracting hundreds from a 3 digit number worksheet89 Add and subtract numbers with up to three digits, using formal written methods of columnar Addition and 3 and 2 digit numbers in a column with no carrying answersAdding 3 and 2 digit numbers in a column with carrying answersSubtracting 2 digit numbers from 3 digit numbers in a column with no exchangingSubtracting 2 digit numbers from 3 digit numbers in a column with exchanging worksheetAdding two 3 digit numbers in a column with no carrying answersAdding two 3 digit numbers in a column with carrying answers worksheetSubtracting 3 digit numbers from 3 digit numbers in a column with no exchanging worksheetSubtracting 3 digit numbers from 3 digit numbers in a column with exchanging worksheet10 1112 13 1415 16 17 Statutory RequirementsWorksheetPage NumberNotesEstimate the answer to a calculation and use inverse operations to check checking 2 digit by 2 digit mixed with carrying and exchanging choice of method worksheetInverse checking 3 digit by 2 digit mixed

2 With carrying and exchanging choice of method worksheetInverse checking 3 digit by 3 digit mixed with carrying and exchanging worksheetInverse create Addition and Subtraction calculations from a set of 3 numbers worksheetEstimating Answers WorksheetExemplary Calculation Procedure 1819202122 - 2324 - 25 Solve problems, including missing number problems, using number facts, place valuevalue, and more complex Addition and and Subtraction word problems worksheet year 3 Addition and Subtraction using worded calculations year 32627 Page 1 of 241. 136 + 3 = 2. 212 + 4 = 3. 381 + 6 = 4. 494 + 5 = 5. 533 + 4 = 6. 620 + 7 = 7. 725 + 4 = 8. 952 + 7 = 9. 165 + 8 = 10. 224 + 7 = 11. 388 + 6 = 12. 478 + 5 = 13. 529 + 4 = 14. 645 + 9 = 15. 713 + 8 = 16. 995 + 6 = 17. 165 + 7 = 18. 252 + 6 = 19. 395 + 9 = 20. 478 + 1 = 21. 546 + 7 = 22. 659 + 3 = 23. 765 + 3 = 24. 971 + 8 = Adding Ones to a 3-Digit NumberCalculate the answers to the following:ChallengeExplain how you would use 7 + 8 = 15 to calculate 537 + 2 of 241.

3 166 - 3 = 2. 295 - 4 = 3. 307 - 5 = 4. 489 - 7 = 5. 578 - 4 = 6. 636 - 2 = 7. 794 - 3 = 8. 959 - 8 = 9. 145 - 8 = 10. 213 - 7 = 11. 383 - 5 = 12. 491 - 4 = 13. 571 - 5 = 14. 678 - 9 = 15. 722 - 6 = 16. 982 - 4 = 17. 122 - 6 = 18. 279 - = 27119. + = 32920. 459 - 3 = 21. 566 + = 55722. 659 - 4 = 23. 779 - 5 = 24. + 8 = 944 Subtracting Ones from a 3-Digit NumberCalculate the answers to the following:ChallengeExplain how you would use 14 - 8 = 6 to calculate 384 - 3 of 241. 153 + 30 = 2. 272 + 20 = 3. 301 + 60 = 4. 413 + 70 = 5. 523 + 40 = 6. 630 + 20 = 7. 737 + 50 = 8. 939 + 60 = 9. 142 + 80 = 10. 267 + 70 = 11. 398 + 60 = 12. 451 + 50 = 13. 564 + 80 = 14. 675 + 90 = 15. 761 + 70 = 16. 964 + 60 = 17. 102 + = 17218. 282 + 60 = 19. + 30 = 42420. 488 + 40 = 21. 537 + 90 = 22. + 30 = 68623. 770 + = 85024. 961 + 70 = Adding Tens to a 3-Digit NumberCalculate the answers to the following:ChallengeExplain how you would use 7 + 8 = 15 to calculate 537 + 4 of 241.

4 178 - 30 = 2. 282 - 40 = 3. 377 - 50 = 4. 495 - 70 = 5. 581 - 40 = 6. 625 - 20 = 7. 767 - 50 = 8. 992 - 80 = 9. 131 - 80 = 10. 224 - 60 = 11. 357 - 90 = 12. 413 - 30 = 13. 537 - 50 = 14. 612 - 70 = 15. 727 - 60 = 16. 933 - 90 = 17. 134 - = 7418. 213 - 80 = 19. - 70 = 27620. 403 - 30 = 21. - 90 = 48622. 619 - 20 = 23. 717 - = 64724. 941 - 50 = Subtracting Tens from a 3-Digit NumberCalculate the answers to the following:ChallengeExplain what other calculations you might use 13 - 8 = 5 of 241. 163 + 500 = 2. 345 + 600 = 3. 582 + 400 = 4. 273 + 300 = 5. 561 + 200 = 6. 170 + 700 = 7. 207 + 500 = 8. 719 + 100 = 9. 372 + 800 = 10. 460 + 700 = 11. 508 + 900 = 12. 721 + 500 = 13. 549 + 800 = 14. 672 + 700 = 15. 701 + 900 = 16. 927 + 600 = 17. 116 + 700 = 18. 352 + = 125219. + 400 = 85920. 824 + 300 = 21. 562 + 900 = 22. + 300 = 91623. 752 + = 155224. 911 + 700 = Adding Hundreds to a 3-Digit NumberCalculate the answers to the following:ChallengeExplain how you would use 9 + 4 = 13 to calculate 931 + 6 of 241.

5 353 - 200 = 2. 416 - 400 = 3. 531 - 300 = 4. 789 - 500 = 5. 564 - 300 = 6. 820 - 600 = 7. 707 - 500 = 8. 919 - 700 = 9. 268 - 200 = 10. 416 - 100 = 11. 547 - 300 = 12. 346 - 100 = 13. 564 - 400 = 14. 893 - 600 = 15. 507 - 500 = 16. 919 - 400 = Subtracting Hundreds from a Three Digit NumberCalculate the answers to the following:ChallengeTake any three digit number. You can subtract 100, 200, 300 or 400 once each, but you must not go below 672 - 100 = 572, 572 - 300 = 272, 272 - 200 = 72. 100, 300 and 200 were subtracted to get to you always get to a number between or equal to 100 and 1?If you use as many sutractions as possible are there any patterns?Page 7 of 24 Adding 3-Digit and 2-Digit Numbers - No CarryingCalculate the answers to the following:534+45130+56552+36474+1542+154 67213+62802+92607+72153+4453+4796304+845 29+50628+21371+22672+16281+17327+5188+21 84 Calculate the following calculations:Page 8 of 24 Adding 3-Digit and 2-Digit Numbers - With CarryingCalculate the answers to the following:673+18149+16292+36476+4532+554 37457+25805+85670+72158+7447+4796304+696 72+42662+75379+26615+38581+67387+5188+65 4 Calculate the following calculations:Page 9 of 24 Subtracting 2-Digit Numbers from 3-Digit Numbers No ExchangingCalculate the answers to the following:479-18748-16298-3637-5302337-2 5563+12677-7254-2515584-61652-32697-7588 -6833478-38569-67387-51 Calculate the following calculations:Page 10 of 24 Subtracting 2-Digit Numbers from 3-Digit Numbers With ExchangingCalculate the answers to the following.

6 343-18620-16126-3122-3220641-25364+46673 -8247-4449472-67415-33607-6481-624473-38 528-67916-53 Calculate the following calculations:Page 11 of 24 Adding Two 3-Digit Numbers - No CarryingCalculate the answers to the following:273+514153+716202+236476+40342 +3437451+225805+102370+116155+234941+496 304+463572+213622+375371+628615+172531+2 67312+25175+2274 Calculate the following calculations:Page 12 of 24 Adding Two 3-Digit Numbers - With CarryingCalculate the answers to the following:323+518257+706572+336476+48558 +31487607+228505+109760+615655+738641+71 24507+463672+243822+345379+648319+142591 +367912+46145+87815 Calculate the following calculations:Page 13 of 24 Subtracting Two 3-Digit Numbers - No ExchangingCalculate the answers to the following:569-315628-305298-136555-34534 -2433346-125573+512687-471596-37448-3026 774-453832-232988-575368-22074-6043652-4 20599-467768-251 Calculate the following calculations:Page 14 of 24 Subtracting Two 3-Digit Numbers - With ExchangingCalculate the answers to the following:451-218690-526353-13673-478184 0-525726+419627-47170-2916472-238427-233 622-39401-4833481-323519-450951-652 Calculate the following calculations:Page 15 of 24 Checking 2 by 2-Digit Mixed Calculations - With Carrying and ExchangingCalculate the answer to the following calculations and check by using the inverse ( Addition or Subtraction ).

7 Choose the best method for you - column method, number line, near doubles how you might check your answer to this calculation: 47 + 54 + 35 =76 + 45 =72 - 48 =82 - 65 =93 + 59 =97 - 38 =64 + 38 =49 + 46 =68 - 29 =Page 16 of 24 Checking 3 by 2-Digit Mixed Calculations - With Carrying and ExchangingCalculate the answer to the following calculations and check by using the inverse ( Addition or Subtraction ). Choose the best method for you - column method, number line, near doubles 2 different methods to calculate and check this calculation. 365 - 87 = Can you explain which method you find better? 419 + 79 =437 - 49 =673 - 46 =586 + 97 =608 - 57 =372 + 88 =514 + 49 =970 - 74 =Page 17 of 24 Checking 3 by 3-Digit Mixed Calculations - With Carrying and ExchangingCalculate the answer to the following calculations and check by using the inverse ( Addition or Subtraction ). Choose the best method for you - column method, number line, near doubles how you might use the inverse to check this calculation.

8 541 + 518 + 265 = 245 + 356 =703 - 459 =825 - 286 =592 + 209 =562 - 347 =509 + 389 =672 + 319 =913 - 387 =Page 18 of 24 Checking 3 by 3-Digit Mixed Calculations - With Carrying and ExchangingCalculate the answer to the following calculations and check by using the inverse ( Addition or Subtraction ). Choose the best method for you - column method, number line, near doubles two Addition and two Subtraction calculations from each set of three numbers, writing the full calculations in the given 23 57 + = + = - = - = 26 97 123 87 240 153 + = + = - = - = 652 589 63 16 59 75 + = + = - = - = 86 134 48 393 240 153 + = + = - = - = 572 801 229 92 45 137 + = + = - = - = 364 213 151 616 240 153 + = + = - =

9 - = 371 912 1283 Page 19 of 24 Estimated AnswersTo answer the following questions decide which multiple of 10 each number is closest to and then add or subtract the numbers. Trying to answer quickly will help you to practise estimating rather than working the answer 32 + 59 =My estimate:+=2. 23 + 28 =My estimate:+=3. 51 + 53 =My estimate:+=4. 81 + 33 =My estimate:+=5. 89 + 27 =My estimate:6. 59 + 92 =My estimate:7. 132 + 19 =My estimate:8. 88 + 109 =My estimate:9. 127 + 152 =My estimate:10. 353 + 281 =My estimate:++++++======Estimating Addition :Example1. 32 + 59 =My estimate:3060+=90 Page 20 of 246. 229 - 92 =My estimate:9. 257 - 152 =My estimate:Estimating Subtraction :1. 58 - 32 =My estimate:-==========2. 79 - 22 =My estimate:-3. 104 - 51 =My estimate:-4. 121 - 33 =My estimate:-5. 129 - 27 =My estimate:--7. 132 - 17 =My estimate:-8. 288 - 109 =My estimate:--10. 353 - 281 =My estimate:-Page 21 of 24 Exemplary Calculation ProcedureEstimating, Answering and Checking with Inverse Operation1.

10 Begin by estimating your answer using the nearest multiple of 10 for each Perform the exact calculation using your chosen Check that your answer is close to your Check your answer is correct by working backwards using the inverse operation. Number SentenceMy EstimateCalculationAnswer close to estimateCheck with InverseCorrect? 57 + 3960 + 40 = 10096/100 = Yes!Yes!Number SentenceMy EstimateCalculationAnswer close to estimateCheck with InverseCorrect?1. 39 + 232. 18 + 543. 67 + 544. 126 + 43 Addition Calculations:Example:573996963957+-81 Page 22 of 245. 218 + 133 Number SentenceMy EstimateCalculationAnswer close to estimateCheck with InverseCorrect?1. 59 - 222. 97 - 183. 126 - 324. 188 - 525. 352 - 169 Number SentenceMy EstimateCalculationAnswer close to estimateCheck with InverseCorrect? 84 - 2980 30 = 5050/55 = Yes!Yes! Subtraction Calculations:Example:+-71842955552984 Page 23 of 24 Addition and Subtraction Word ProblemsSolve the following problems:1.