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) Ponnalagu pasted a rectangular picture on a cardboard measuring 76 cm by 74 cm. cm2 Answer:_______________ |
| 2) Haritha pasted a rectangular picture on a cardboard measuring 67 cm by 46 cm. cm2 Answer:_______________ |
| 3) Tulasi pasted a rectangular picture on a cardboard measuring 72 cm by 32 cm. cm2 Answer:_______________ |
| 4) Parveen pasted a rectangular picture on a cardboard measuring 74 cm by 68 cm. cm2 Answer:_______________ |
| 5) Ovini pasted a rectangular picture on a cardboard measuring 72 cm by 59 cm. cm2 Answer:_______________ |
| 6) Ovini pasted a rectangular picture on a cardboard measuring 35 cm by 54 cm. cm2 Answer:_______________ |
| 7) Chellamal pasted a rectangular picture on a cardboard measuring 57 cm by 58 cm. cm2 Answer:_______________ |
| 8) Nandini pasted a rectangular picture on a cardboard measuring 67 cm by 61 cm. cm2 Answer:_______________ |
| 9) Panimalar pasted a rectangular picture on a cardboard measuring 43 cm by 40 cm. cm2 Answer:_______________ |
| 10) Tulasi pasted a rectangular picture on a cardboard measuring 35 cm by 37 cm. cm2 Answer:_______________ |
| 1) Ponnalagu pasted a rectangular picture on a cardboard measuring 76 cm by 74 cm. Answer: 1136 cm2 SOLUTION 1 : Step 1: 76 cm x 74 cm = 5624 cm2 Step 2: 76 - 4 - 4 = 68 cm Step 3: 74 - 4 - 4 = 66 cm Step 4: 68 cm x 66 cm = 4488 cm2 Step 5: 5624 cm2 - 4488 cm2 = 1136 cm2 The area of the cardboard not covered by the picture 1136 cm2. |
| 2) Haritha pasted a rectangular picture on a cardboard measuring 67 cm by 46 cm. Answer: 642 cm2 SOLUTION 1 : Step 1: 67 cm x 46 cm = 3082 cm2 Step 2: 67 - 3 - 3 = 61 cm Step 3: 46 - 3 - 3 = 40 cm Step 4: 61 cm x 40 cm = 2440 cm2 Step 5: 3082 cm2 - 2440 cm2 = 642 cm2 The area of the cardboard not covered by the picture 642 cm2. |
| 3) Tulasi pasted a rectangular picture on a cardboard measuring 72 cm by 32 cm. Answer: 940 cm2 SOLUTION 1 : Step 1: 72 cm x 32 cm = 2304 cm2 Step 2: 72 - 5 - 5 = 62 cm Step 3: 32 - 5 - 5 = 22 cm Step 4: 62 cm x 22 cm = 1364 cm2 Step 5: 2304 cm2 - 1364 cm2 = 940 cm2 The area of the cardboard not covered by the picture 940 cm2. |
| 4) Parveen pasted a rectangular picture on a cardboard measuring 74 cm by 68 cm. Answer: 1072 cm2 SOLUTION 1 : Step 1: 74 cm x 68 cm = 5032 cm2 Step 2: 74 - 4 - 4 = 66 cm Step 3: 68 - 4 - 4 = 60 cm Step 4: 66 cm x 60 cm = 3960 cm2 Step 5: 5032 cm2 - 3960 cm2 = 1072 cm2 The area of the cardboard not covered by the picture 1072 cm2. |
| 5) Ovini pasted a rectangular picture on a cardboard measuring 72 cm by 59 cm. Answer: 984 cm2 SOLUTION 1 : Step 1: 72 cm x 59 cm = 4248 cm2 Step 2: 72 - 4 - 4 = 64 cm Step 3: 59 - 4 - 4 = 51 cm Step 4: 64 cm x 51 cm = 3264 cm2 Step 5: 4248 cm2 - 3264 cm2 = 984 cm2 The area of the cardboard not covered by the picture 984 cm2. |
| 6) Ovini pasted a rectangular picture on a cardboard measuring 35 cm by 54 cm. Answer: 498 cm2 SOLUTION 1 : Step 1: 35 cm x 54 cm = 1890 cm2 Step 2: 35 - 3 - 3 = 29 cm Step 3: 54 - 3 - 3 = 48 cm Step 4: 29 cm x 48 cm = 1392 cm2 Step 5: 1890 cm2 - 1392 cm2 = 498 cm2 The area of the cardboard not covered by the picture 498 cm2. |
| 7) Chellamal pasted a rectangular picture on a cardboard measuring 57 cm by 58 cm. Answer: 1050 cm2 SOLUTION 1 : Step 1: 57 cm x 58 cm = 3306 cm2 Step 2: 57 - 5 - 5 = 47 cm Step 3: 58 - 5 - 5 = 48 cm Step 4: 47 cm x 48 cm = 2256 cm2 Step 5: 3306 cm2 - 2256 cm2 = 1050 cm2 The area of the cardboard not covered by the picture 1050 cm2. |
| 8) Nandini pasted a rectangular picture on a cardboard measuring 67 cm by 61 cm. Answer: 960 cm2 SOLUTION 1 : Step 1: 67 cm x 61 cm = 4087 cm2 Step 2: 67 - 4 - 4 = 59 cm Step 3: 61 - 4 - 4 = 53 cm Step 4: 59 cm x 53 cm = 3127 cm2 Step 5: 4087 cm2 - 3127 cm2 = 960 cm2 The area of the cardboard not covered by the picture 960 cm2. |
| 9) Panimalar pasted a rectangular picture on a cardboard measuring 43 cm by 40 cm. Answer: 730 cm2 SOLUTION 1 : Step 1: 43 cm x 40 cm = 1720 cm2 Step 2: 43 - 5 - 5 = 33 cm Step 3: 40 - 5 - 5 = 30 cm Step 4: 33 cm x 30 cm = 990 cm2 Step 5: 1720 cm2 - 990 cm2 = 730 cm2 The area of the cardboard not covered by the picture 730 cm2. |
| 10) Tulasi pasted a rectangular picture on a cardboard measuring 35 cm by 37 cm. Answer: 272 cm2 SOLUTION 1 : Step 1: 35 cm x 37 cm = 1295 cm2 Step 2: 35 - 2 - 2 = 31 cm Step 3: 37 - 2 - 2 = 33 cm Step 4: 31 cm x 33 cm = 1023 cm2 Step 5: 1295 cm2 - 1023 cm2 = 272 cm2 The area of the cardboard not covered by the picture 272 cm2. |