Written Instructions:
For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
| 1) The total mass of Thamarai and Tamilselvi is 90 kg. The total mass of Tamilselvi and Ramani is 99 kg. a) How much heavier is Ramani than Thamarai kg b) If the total mass of the 3 children is 146 kg, find Thamarai's mass. kg Answer:_______________ |
| 2) The total mass of Savithri and Parveen is 84 kg. The total mass of Parveen and Tamilselvi is 92 kg. a) How much heavier is Tamilselvi than Savithri kg b) If the total mass of the 3 children is 149 kg, find Savithri's mass. kg Answer:_______________ |
| 3) The total mass of Tamilselvi and Chellamal is 80 kg. The total mass of Chellamal and Indra is 94 kg. a) How much heavier is Indra than Tamilselvi kg b) If the total mass of the 3 children is 144 kg, find Tamilselvi's mass. kg Answer:_______________ |
| 4) The total mass of Selvanayaki and Savithri is 89 kg. The total mass of Savithri and Tamilselvi is 97 kg. a) How much heavier is Tamilselvi than Selvanayaki kg b) If the total mass of the 3 children is 135 kg, find Selvanayaki's mass. kg Answer:_______________ |
| 5) The total mass of Tamilselvi and Chellamal is 81 kg. The total mass of Chellamal and Keerthi is 92 kg. a) How much heavier is Keerthi than Tamilselvi kg b) If the total mass of the 3 children is 150 kg, find Tamilselvi's mass. kg Answer:_______________ |
| 6) The total mass of Indra and Poongodi is 83 kg. The total mass of Poongodi and Tamilselvi is 98 kg. a) How much heavier is Tamilselvi than Indra kg b) If the total mass of the 3 children is 139 kg, find Indra's mass. kg Answer:_______________ |
| 7) The total mass of Amutha and Thamarai is 84 kg. The total mass of Thamarai and Haritha is 100 kg. a) How much heavier is Haritha than Amutha kg b) If the total mass of the 3 children is 138 kg, find Amutha's mass. kg Answer:_______________ |
| 8) The total mass of Thamarai and Pavi is 88 kg. The total mass of Pavi and Chithra is 94 kg. a) How much heavier is Chithra than Thamarai kg b) If the total mass of the 3 children is 142 kg, find Thamarai's mass. kg Answer:_______________ |
| 9) The total mass of Nandini and Ramani is 80 kg. The total mass of Ramani and Parveen is 97 kg. a) How much heavier is Parveen than Nandini kg b) If the total mass of the 3 children is 142 kg, find Nandini's mass. kg Answer:_______________ |
| 10) The total mass of Selvanayaki and Amutha is 89 kg. The total mass of Amutha and Ponnalagu is 92 kg. a) How much heavier is Ponnalagu than Selvanayaki kg b) If the total mass of the 3 children is 147 kg, find Selvanayaki's mass. kg Answer:_______________ |
| 1) The total mass of Thamarai and Tamilselvi is 90 kg. The total mass of Tamilselvi and Ramani is 99 kg. a) How much heavier is Ramani than Thamarai Answer: 9 kg b) If the total mass of the 3 children is 146 kg, find Thamarai's mass. Answer: 47 kg SOLUTION 1 : a) Step 1: 99 kg - 90 kg = 9 kg Ramani is 9 kg heavier than Thamarai. b) Step 1: 90 kg + 99 kg = 189 kg Step 2: 189 kg - 146 kg = 43 kg Step 3: 90 kg - 43 kg = 47 kg Thamarai's mass is 47 kg. |
| 2) The total mass of Savithri and Parveen is 84 kg. The total mass of Parveen and Tamilselvi is 92 kg. a) How much heavier is Tamilselvi than Savithri Answer: 8 kg b) If the total mass of the 3 children is 149 kg, find Savithri's mass. Answer: 57 kg SOLUTION 1 : a) Step 1: 92 kg - 84 kg = 8 kg Tamilselvi is 8 kg heavier than Savithri. b) Step 1: 84 kg + 92 kg = 176 kg Step 2: 176 kg - 149 kg = 27 kg Step 3: 84 kg - 27 kg = 57 kg Savithri's mass is 57 kg. |
| 3) The total mass of Tamilselvi and Chellamal is 80 kg. The total mass of Chellamal and Indra is 94 kg. a) How much heavier is Indra than Tamilselvi Answer: 14 kg b) If the total mass of the 3 children is 144 kg, find Tamilselvi's mass. Answer: 50 kg SOLUTION 1 : a) Step 1: 94 kg - 80 kg = 14 kg Indra is 14 kg heavier than Tamilselvi. b) Step 1: 80 kg + 94 kg = 174 kg Step 2: 174 kg - 144 kg = 30 kg Step 3: 80 kg - 30 kg = 50 kg Tamilselvi's mass is 50 kg. |
| 4) The total mass of Selvanayaki and Savithri is 89 kg. The total mass of Savithri and Tamilselvi is 97 kg. a) How much heavier is Tamilselvi than Selvanayaki Answer: 8 kg b) If the total mass of the 3 children is 135 kg, find Selvanayaki's mass. Answer: 38 kg SOLUTION 1 : a) Step 1: 97 kg - 89 kg = 8 kg Tamilselvi is 8 kg heavier than Selvanayaki. b) Step 1: 89 kg + 97 kg = 186 kg Step 2: 186 kg - 135 kg = 51 kg Step 3: 89 kg - 51 kg = 38 kg Selvanayaki's mass is 38 kg. |
| 5) The total mass of Tamilselvi and Chellamal is 81 kg. The total mass of Chellamal and Keerthi is 92 kg. a) How much heavier is Keerthi than Tamilselvi Answer: 11 kg b) If the total mass of the 3 children is 150 kg, find Tamilselvi's mass. Answer: 58 kg SOLUTION 1 : a) Step 1: 92 kg - 81 kg = 11 kg Keerthi is 11 kg heavier than Tamilselvi. b) Step 1: 81 kg + 92 kg = 173 kg Step 2: 173 kg - 150 kg = 23 kg Step 3: 81 kg - 23 kg = 58 kg Tamilselvi's mass is 58 kg. |
| 6) The total mass of Indra and Poongodi is 83 kg. The total mass of Poongodi and Tamilselvi is 98 kg. a) How much heavier is Tamilselvi than Indra Answer: 15 kg b) If the total mass of the 3 children is 139 kg, find Indra's mass. Answer: 41 kg SOLUTION 1 : a) Step 1: 98 kg - 83 kg = 15 kg Tamilselvi is 15 kg heavier than Indra. b) Step 1: 83 kg + 98 kg = 181 kg Step 2: 181 kg - 139 kg = 42 kg Step 3: 83 kg - 42 kg = 41 kg Indra's mass is 41 kg. |
| 7) The total mass of Amutha and Thamarai is 84 kg. The total mass of Thamarai and Haritha is 100 kg. a) How much heavier is Haritha than Amutha Answer: 16 kg b) If the total mass of the 3 children is 138 kg, find Amutha's mass. Answer: 38 kg SOLUTION 1 : a) Step 1: 100 kg - 84 kg = 16 kg Haritha is 16 kg heavier than Amutha. b) Step 1: 84 kg + 100 kg = 184 kg Step 2: 184 kg - 138 kg = 46 kg Step 3: 84 kg - 46 kg = 38 kg Amutha's mass is 38 kg. |
| 8) The total mass of Thamarai and Pavi is 88 kg. The total mass of Pavi and Chithra is 94 kg. a) How much heavier is Chithra than Thamarai Answer: 6 kg b) If the total mass of the 3 children is 142 kg, find Thamarai's mass. Answer: 48 kg SOLUTION 1 : a) Step 1: 94 kg - 88 kg = 6 kg Chithra is 6 kg heavier than Thamarai. b) Step 1: 88 kg + 94 kg = 182 kg Step 2: 182 kg - 142 kg = 40 kg Step 3: 88 kg - 40 kg = 48 kg Thamarai's mass is 48 kg. |
| 9) The total mass of Nandini and Ramani is 80 kg. The total mass of Ramani and Parveen is 97 kg. a) How much heavier is Parveen than Nandini Answer: 17 kg b) If the total mass of the 3 children is 142 kg, find Nandini's mass. Answer: 45 kg SOLUTION 1 : a) Step 1: 97 kg - 80 kg = 17 kg Parveen is 17 kg heavier than Nandini. b) Step 1: 80 kg + 97 kg = 177 kg Step 2: 177 kg - 142 kg = 35 kg Step 3: 80 kg - 35 kg = 45 kg Nandini's mass is 45 kg. |
| 10) The total mass of Selvanayaki and Amutha is 89 kg. The total mass of Amutha and Ponnalagu is 92 kg. a) How much heavier is Ponnalagu than Selvanayaki Answer: 3 kg b) If the total mass of the 3 children is 147 kg, find Selvanayaki's mass. Answer: 55 kg SOLUTION 1 : a) Step 1: 92 kg - 89 kg = 3 kg Ponnalagu is 3 kg heavier than Selvanayaki. b) Step 1: 89 kg + 92 kg = 181 kg Step 2: 181 kg - 147 kg = 34 kg Step 3: 89 kg - 34 kg = 55 kg Selvanayaki's mass is 55 kg. |