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) Ramani pasted a rectangular picture on a cardboard measuring 68 cm by 79 cm. cm2 Answer:_______________ |
| 2) Swathi pasted a rectangular picture on a cardboard measuring 74 cm by 52 cm. cm2 Answer:_______________ |
| 3) Panimalar pasted a rectangular picture on a cardboard measuring 69 cm by 50 cm. cm2 Answer:_______________ |
| 4) Tulasi pasted a rectangular picture on a cardboard measuring 66 cm by 77 cm. cm2 Answer:_______________ |
| 5) Chellamal pasted a rectangular picture on a cardboard measuring 53 cm by 34 cm. cm2 Answer:_______________ |
| 6) Ponnalagu pasted a rectangular picture on a cardboard measuring 71 cm by 61 cm. cm2 Answer:_______________ |
| 7) Chellamal pasted a rectangular picture on a cardboard measuring 60 cm by 77 cm. cm2 Answer:_______________ |
| 8) Jeevini pasted a rectangular picture on a cardboard measuring 70 cm by 48 cm. cm2 Answer:_______________ |
| 9) Ramani pasted a rectangular picture on a cardboard measuring 37 cm by 62 cm. cm2 Answer:_______________ |
| 10) Pavi pasted a rectangular picture on a cardboard measuring 44 cm by 54 cm. cm2 Answer:_______________ |
| 1) Ramani pasted a rectangular picture on a cardboard measuring 68 cm by 79 cm. Answer: 1112 cm2 SOLUTION 1 : Step 1: 68 cm x 79 cm = 5372 cm2 Step 2: 68 - 4 - 4 = 60 cm Step 3: 79 - 4 - 4 = 71 cm Step 4: 60 cm x 71 cm = 4260 cm2 Step 5: 5372 cm2 - 4260 cm2 = 1112 cm2 The area of the cardboard not covered by the picture 1112 cm2. |
| 2) Swathi pasted a rectangular picture on a cardboard measuring 74 cm by 52 cm. Answer: 944 cm2 SOLUTION 1 : Step 1: 74 cm x 52 cm = 3848 cm2 Step 2: 74 - 4 - 4 = 66 cm Step 3: 52 - 4 - 4 = 44 cm Step 4: 66 cm x 44 cm = 2904 cm2 Step 5: 3848 cm2 - 2904 cm2 = 944 cm2 The area of the cardboard not covered by the picture 944 cm2. |
| 3) Panimalar pasted a rectangular picture on a cardboard measuring 69 cm by 50 cm. Answer: 888 cm2 SOLUTION 1 : Step 1: 69 cm x 50 cm = 3450 cm2 Step 2: 69 - 4 - 4 = 61 cm Step 3: 50 - 4 - 4 = 42 cm Step 4: 61 cm x 42 cm = 2562 cm2 Step 5: 3450 cm2 - 2562 cm2 = 888 cm2 The area of the cardboard not covered by the picture 888 cm2. |
| 4) Tulasi pasted a rectangular picture on a cardboard measuring 66 cm by 77 cm. Answer: 1330 cm2 SOLUTION 1 : Step 1: 66 cm x 77 cm = 5082 cm2 Step 2: 66 - 5 - 5 = 56 cm Step 3: 77 - 5 - 5 = 67 cm Step 4: 56 cm x 67 cm = 3752 cm2 Step 5: 5082 cm2 - 3752 cm2 = 1330 cm2 The area of the cardboard not covered by the picture 1330 cm2. |
| 5) Chellamal pasted a rectangular picture on a cardboard measuring 53 cm by 34 cm. Answer: 632 cm2 SOLUTION 1 : Step 1: 53 cm x 34 cm = 1802 cm2 Step 2: 53 - 4 - 4 = 45 cm Step 3: 34 - 4 - 4 = 26 cm Step 4: 45 cm x 26 cm = 1170 cm2 Step 5: 1802 cm2 - 1170 cm2 = 632 cm2 The area of the cardboard not covered by the picture 632 cm2. |
| 6) Ponnalagu pasted a rectangular picture on a cardboard measuring 71 cm by 61 cm. Answer: 1220 cm2 SOLUTION 1 : Step 1: 71 cm x 61 cm = 4331 cm2 Step 2: 71 - 5 - 5 = 61 cm Step 3: 61 - 5 - 5 = 51 cm Step 4: 61 cm x 51 cm = 3111 cm2 Step 5: 4331 cm2 - 3111 cm2 = 1220 cm2 The area of the cardboard not covered by the picture 1220 cm2. |
| 7) Chellamal pasted a rectangular picture on a cardboard measuring 60 cm by 77 cm. Answer: 1032 cm2 SOLUTION 1 : Step 1: 60 cm x 77 cm = 4620 cm2 Step 2: 60 - 4 - 4 = 52 cm Step 3: 77 - 4 - 4 = 69 cm Step 4: 52 cm x 69 cm = 3588 cm2 Step 5: 4620 cm2 - 3588 cm2 = 1032 cm2 The area of the cardboard not covered by the picture 1032 cm2. |
| 8) Jeevini pasted a rectangular picture on a cardboard measuring 70 cm by 48 cm. Answer: 672 cm2 SOLUTION 1 : Step 1: 70 cm x 48 cm = 3360 cm2 Step 2: 70 - 3 - 3 = 64 cm Step 3: 48 - 3 - 3 = 42 cm Step 4: 64 cm x 42 cm = 2688 cm2 Step 5: 3360 cm2 - 2688 cm2 = 672 cm2 The area of the cardboard not covered by the picture 672 cm2. |
| 9) Ramani pasted a rectangular picture on a cardboard measuring 37 cm by 62 cm. Answer: 558 cm2 SOLUTION 1 : Step 1: 37 cm x 62 cm = 2294 cm2 Step 2: 37 - 3 - 3 = 31 cm Step 3: 62 - 3 - 3 = 56 cm Step 4: 31 cm x 56 cm = 1736 cm2 Step 5: 2294 cm2 - 1736 cm2 = 558 cm2 The area of the cardboard not covered by the picture 558 cm2. |
| 10) Pavi pasted a rectangular picture on a cardboard measuring 44 cm by 54 cm. Answer: 552 cm2 SOLUTION 1 : Step 1: 44 cm x 54 cm = 2376 cm2 Step 2: 44 - 3 - 3 = 38 cm Step 3: 54 - 3 - 3 = 48 cm Step 4: 38 cm x 48 cm = 1824 cm2 Step 5: 2376 cm2 - 1824 cm2 = 552 cm2 The area of the cardboard not covered by the picture 552 cm2. |