Classwork Find the difference. 1. 2. 58 -6 6 29 7. -3 3. 45 -4 4. 5. 2. 8. 34 10. 6 058 - 32 19 1 987 42 13. - 587 17. 14. 18. 426 15. - 32 19. 159 14 1 556 638 20. 16 917 - 304 7. 5 573 - 21 8. 22 4 538 768 - 152 - 216 3 026 854 - 621 - 37 354 6. 389 - - 15 - 21 5. 746 16. - 162 -6 3. 12. 88 4. 287 - = 35 9. Practice Subtract. l. 2 153 11. -= 12 6 -7 - 12 76 7 248 = 136 9. 6 367 _224 $ 155 10. 14. 8.275 11. 12. 2 907 5 762 3 341 19. 16. 9 889 20. 263 17. - 1 508 8 772 - 3 761 9 658 646 9 654 2 648 6 548 - 4 216 15. 603 13. 18. 306 - 154 1 488 3 449 7 406 3 202 Arrange the numbers in columns then subtract. 31. 1058 6 21. 39 - 16 32. 4 388 - 64 = 22. 57 - 26 23. 129 - 17 24. 278 - 63 = 14 25. 33. 3 947 - 37 = 34. 2519 13 = 35. 4 256 153 = 26. 346 - 124 36. 6 851 - 4411 27. 437 37. 7 634 205 = 28, 630 - 420 512 = 29. 825 21 30. 774 38. 8 933 - 712 = 39. 5997 - 3 644 541 = 40. 8 799 - 8 262 = [156 2 13. 38 14. =9 17. 56 36 15. -7 18. -9 56 44 16. -6 -5 19. -8 93 64 20. 126 36. -7 41 -2 Subtract. 21. 22. 23 - 16 35 - 27 23. 26. 52 - 17 27 28. 71 29. 88 - 59 32. 27 34 30. 42 - 26 -7 232 33. 364 37. 413 38. 342 412 39. 17 - 47 40. 527 c 35. 196 -9 68 - 56 6 34. 204 - 25 -5 - 45 - 17 - 33 25. 64 31 - 18 - 35 24. 46 - 58 163 Practice Subtract. 1. 2. 417 - 128 562 8. 4. 5. 9. 81 - 639 10. 27 - 183 11. 364 12. 943 636 - 418 7 063 - 75 16. 2 635 17 18. 47 4 572 13. 6 534 4 647 - 1768 5 755 -3 19. 7 356 - 5 587 20. 658 14. 3 421 = 1 536 8 - 266 7. 1 564 1 451 572 - 96 - 135 6. 15. 38 - 377 3. 3 416 6 713 - 1 853 3 158 36 Perform the subtraction. You can arrange the numbers in columns. 21. 51 - 17 22. 43 - 36 = 23. 77 59 24. 241 53 [164 & 25. 415 - 6 = 26. 327 - 48 27. 623 - 345 = 28. 553 - 278 = Practice Read each of the following problems. Choose the letter of the best answer for each question. Mico collected 187 number cards while Kiko collected 209 number cards their math class. How many more number cards did Kiko collect than Mico? 1. What is asked? Q. number of cards collected by Mico b. number of cards Kiko collected more than Mico number of cards collected by Kiko What are given? 187 marbles and 209 number a. b. 187 number cards and 209 number cards C. 187 number cards and 209 stamps C. 2. 3. What is the operation to be used? a. subtraction b. addition C. 4. multiplication What is the number sentence? a. 187 x 209 N b. 187 + 209 = N C. 209 - 187 = n 5. 184% What is the correct a. 396 number cards b. 22 number cards C. 178 number cards Mang Toto has 526 mango trees. During a recent typhoon 167 trees were uprooted. How many mango trees were left? 6. What is asked? a. number of mango trees in all b. number of mango trees uprooted C. number of mango trees left 7. What are given? trees a. 526 mango trees and 167 mango b. 167 mango trees and 526 other trees trees C. 526 coconut trees and 167 mango 8. What operation will you use? a. addition b. multiplication C. subtraction 9. What is the number sentence? a. 526 + 167 = n b. 526 - 167 = N C. 167 X 526 = N 10. What is the final answer? a. 693 mango trees b. 359 mango tree C. 441 mango trees In the farm of Mr. and Mrs. Corral, there are 147 chickens and 94 pigs. How many animals are there in all? 11. What is asked? number of chickens a. b. number of pigs total number of animals C. 185 12. What are given? a. 94 pigs and 147 chickens b. 147 pigs and 94 chickens C. 147 animals and 94 chickens 13. What operation will you use? a. addition b. division C. subtraction 14. What is the number sentence? a. 147 - 94 = n b. 94 +' 147 C. 147 ÷ 94 = n n 15. What is the correct answer? a. 53 animals b. 241 animals C. 53 chickens Solve the following word problems. Show complete the given steps for each problem. 16. 760 pupils attended a Science Quiz Bee. Of these, 348 were girls. How many were boys? a. Given: b. Asked: C. Operation: d. Number sentence: e. Solution and answer: 186 17. Pido works in a factory where he earned 750 pesos last week and 920 pesos this week. much did he earn in those two weeks? a. Given: b. Asked C. Operation: d. Number sentence: e. Solution and 18. San IIdefonso Academy had their school Of the 2 868 pupils in the school, only 2 495 voted. How many pupils did not vote? a. Given: b. Asked: C. Operation: d. Number sentence: e. Solution and answer: - 187| 19. Aling Nena, together with the youth of Barangay Kupang, prepared some turon and palitaw for the volunteers who cleaned their streets. They cooked 157 pieces of turon. The number of pieces of palitaw was 30 more than the number of pieces of turon. How many pieces of palitaw did they cook? a. Given: b. Asked: C. Operation: d. Number sentence: _ e. Solution and answer: 20. Mr. Santos buys used plastic cups to be recycled. So he encouraged Bien and Rico to collect used plastic cups. After a week, Bien collected 367 cups while Rico had 409. How many more cups did Rico collect than a. Given: b. Asked: C. Operation: d Number sentence: e. Solution and answer: [1882 2. Plan What operation will you use? Addition What is the number sentence? 12 + 8 + 10 = n 3. Solve 12 8 + 10 30 There are 30 seedlings being sold in all. 4. Look back Does your answer make sense? Did you answer the question? Study the following problems. 1. Mother bought a shirt for her son Joey who got the highest honor in grade two. She gave the cashier a 500-peso bill. How much was her change if the shirt cost 279 pesos? Solution: Think a. COUNTER 9 What are given? 500-peso bill, 279 What is asked? Change What word in the problem indicates the operation to be used? change b Plan What operation will you use? What is the number sentence? 500 - 279 = N C. Solve 500 - 279 221 Mother's change was 221 pesos. d. Look back DO you think your answer is 2. Why? How many will be left if 126 is taken away fro Solution: a. Think What are given? What is asked? What word in the problem will help you identify the operation? b Plan What operation will you What is the number sentence? C. Solve Answer: d. Look back Did you answer the question? Is your answer reasonable? Why 459? Practice Solve the problems. Identify the following for each problem. d. Number sentence a. What are given b. What is asked e. Solution f. Answer with label C. Operations The twins, Danny and Dan, plan to give their 1. father a new pair of shoes for his birthday. Danny has saved 150 pesos and Dan, 198 pesos. If the pair of shoes costs 500 pesos, how more money do they need? a a. 000 0 f. 195 650 bars of 2. Mely and Lydia have to pack Lydia packed 48 bars. packed 59 bars while Mely many more bars of chocolate do they still need How to pack? a. b. 07 e. f. 3. A garbage truck can carry 15 tons of waste materials. It had collected 6 tons from Barangay and 7 tons from Barangay Rancho. Can it still Hacienda load more garbage? If yes, how many fons more? a, b. C. d. e. f. 4. One weekend, Pipoy got 250 pieces of hot pan de sal to sell. He sold 87 pieces in the first hour and 114 pieces the next hour. How many of pan de sal were left after two hours? a. b. †~ o f. 5. lan bought a small plate of pancit which cost 25 pesos and a glass of sago and which cost 14 pesos. How much change did receive from his 100-peso a. b. C. d. e f. - 197]