Higher Order Thinking Skills (H.O.T.S.) Short Answer Question 21) Frame a word problem using 842 – 422 = 420. Solution: Long Answer Question 22) Frame word problems for the following. a) 184 – 127 b) 1246 – 1230 Solution: Subtraction 47 NR_BGM_9789386663238 MAPLE G03 MATHS WORKBOOK TERM 1_Text.pdf 51 1/9/2019 2:35:22 PM
Concept 5.3: Subtract 2-digit Numbers Mentally [] [] Recall [] Multiple Choice Questions 1) The difference when 6 is subtracted from 8 is ________. (A) 3 (B) 5 (C) 2 (D) 14 2) The difference when 1 is subtracted from 4 is ________. (A) 3 (B) 4 (C) 5 (D) 6 3) The difference when 5 is subtracted from 5 is ________. (A) 0 (B) 4 (C) 5 (D) 6 & Remembering and Understanding Multiple Choice Questions 4) The difference between the ones digits of 45 and 32 is ________. [] (A) 1 (B) 2 (C) 3 (D) 4 5) The difference between the tens digits of 27 and 15 is ________. [] [] (A) 1 (B) 2 (C) 3 (D) 0 6) The difference between 35 and 15 is ________. (A) 10 (B) 30 (C) 40 (D) 20 Fill in the Blanks 7) While subtracting mentally, we first subtract the digits in the ___________ place. 8) The difference between 22 and 11 is _______. 9) The difference between 40 and 30 is _______. Very Short Answer Questions 10) Subtract 12 from 22 mentally. Solution: 48 1/9/2019 2:35:22 PM NR_BGM_9789386663238 MAPLE G03 MATHS WORKBOOK TERM 1_Text.pdf 52
11) Subtract 42 from 62 mentally. b) 87 – 57 Solution: 12) Subtract 50 from 60 mentally. Solution: Short Answer Questions 13) Solve mentally: a) 43 – 32 Solution: 14) Solve mentally: a) 57 – 12 b) 78 – 51 Solution: Long Answer Questions c) 54 – 22 d) 82 – 21 15) Solve the following mentally. a) 73 – 51 b) 77 – 66 Solution: 16) Subtract the following mentally. c) 77 – 36 d) 68 – 46 a) 96 – 64 b) 85 – 23 Solution: Subtraction 49 NR_BGM_9789386663238 MAPLE G03 MATHS WORKBOOK TERM 1_Text.pdf 53 1/9/2019 2:35:22 PM
Application Short Answer Questions 17) Veena has to attend 75 Maths classes in a term. She attended 24 of them. How many more classes must she attend? Solve mentally. Solution: 18) Aparajita got 87 marks in Maths and 73 marks in Science. How much more marks did she score in Maths than in Science? Solve mentally. Solution: Long Answer Questions 19) There are 18 white roses and 42 yellow roses in a bunch. How many more yellow roses are there in the bunch? Solve mentally. Solution: 20) A rope is 95 cm long. Another rope is 38 cm smaller than it. How longer is the second rope than the first rope? Solve mentally. Solution: 50 1/9/2019 2:35:22 PM NR_BGM_9789386663238 MAPLE G03 MATHS WORKBOOK TERM 1_Text.pdf 54
Higher Order Thinking Skills (H.O.T.S.) Short Answer Question 21) Mohan has 29 storybooks. Ravi borrowed 20 storybooks from Mohan. How many storybooks remain with Mohan? Solve mentally. Solution: Long Answer Question 22) Hari has ` 95. He spent ` 37 and his father gave him ` 28. How much money does Hari have now? Solve mentally. Solution: Practice Questions Estimate the difference between the two given numbers from questions 1 to 6. 1) 23 and 11 2) 69 and 33 3) 99 and 45 4) 728 and 123 5) 934 and 110 6) 421 and 201 7) Vineet has 23 tissues. He used 11 out of them. Estimate the number of tissues left. 8) Out of 93 biscuits, Pushkar packed 56 biscuits in a box. Estimate the number of biscuits left unpacked? 9) Solve: a) 1940 – 1894 b) 1462 – 1139 c) 2987 – 2648 Subtraction 51 NR_BGM_9789386663238 MAPLE G03 MATHS WORKBOOK TERM 1_Text.pdf 55 1/9/2019 2:35:22 PM
10) Sunita had 482 paper plates. Her brother gave her 110 more plates. Out of the total, she used 382 plates. Estimate the number of plates she has now? 11) Subtract: a) 850 from 989 b) 412 from 847 c) 218 from 459 12) Solve: a) 873 – 183 b) 562 – 139 c) 983 – 431 13) What is the difference between 573 and 190? 14) Swati has ` 8572 in her bank account. She transfers ` 1940 to her father. How much money remains in her bank account? 15) What is the difference between 5672 and 3990? 16) Subtract 49 from 66 mentally. 17) Subtract 4682 from 6892. 18) There are 98 pages in a book out of which Rita coloured 29 pages. Estimate the number of pages left to be coloured? 19) Subtract: a) 5280 and 1984 b) 7462 and 1498 c) 3987 and 1123 20) What is the difference between 8208 and 4819? 21) There are 672 pencils kept in a box. If 389 pencils are sold, how many pencils are left in the box? 22) In a manufacturing company, 8719 baskets were made out of which 5819 baskets were weaved perfectly. How many baskets were not weaved properly? 23) Subtract 2810 from 4920. 24) A treasure hunter discovered an ancient box having 6274 rubies and pearls altogether. 2819 of these were pearls. How many rubies were there? 25) A big bakery baked 4892 muffins. 1753 of them were packed in boxes. How many muffins were left unpacked? 26) Subtract mentally: a) 27 from 88 b) 32 from 54 c) 43 from 59 27) Solve: a) 3402 – 1302 b) 7489 – 1372 c) 6891 – 3390 28) Solve mentally: a) 95 – 29 b) 33 – 14 c) 96 – 43 29) Sumit has 78 gifts. He and his friends wrapped 44 gifts. How many gifts are left unwrapped? 30) Shrijita bought 70 pencils. She packed 12 pencils in one box and 15 in another. How many pencils were not packed in any of the boxes? 52 1/9/2019 2:35:22 PM NR_BGM_9789386663238 MAPLE G03 MATHS WORKBOOK TERM 1_Text.pdf 56
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