9) Circle any three factors of 40 in the following grid. 17 5 19 2 13 4 1 6 8 12 23 35 10 39 33 11 10) How many steps are required to multiply 3-digit number with a 2-digit number? Solution: ................................................................................................................................. 11) Circle the factors of 60 present in the following grid. 19 3 7 39 15 18 41 20 13 Short Answer Questions (3M per question) 12) Find the product of the following numbers. a) 882 x 149 b) 767 x 183 c) 141 x 153 Solution: Information Processing 49
13) Find the product of the following numbers. (Textbook, Pg. 65) a) 234 x 765 b) 908 x 512 c) 481 x 503 Solution: Long Answer Question (6M) 6 14) Circle the factors of 50 and cross out the factors of 60. 12 18 12345 24 7 8 9 10 11 30 13 14 15 16 17 36 19 20 21 22 23 25 26 27 28 29 31 32 33 34 35 Application Short Answer Question (3M) 15) Arun wants to make tea. Write 3-5 smaller tasks that can help him to complete this activity. Solution: ................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 50
.............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. Long Answer Question (6M) 16) Anita has 12 boxes of snacks. There are 4 boxes of chips, 3 boxes of cookies, 2 boxes of bread and the remaining boxes are of fruit cakes. All boxes are identical in shape and size. She wants to put these in her cupboard which has 4 shelves. a) How many boxes are of fruit cakes? b) Are there any items with the same number of boxes? Write their names. c) If Anita wants to put a box of chips in each shelf, write a shelf-wise arrangement of items so that none of the shelves have more than 3 items each. d ) If she wants to have all boxes of the same type in a shelf, write a shelf-wise arrangement of the items. Solution: ................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. Information Processing 51
Higher Order Thinking Skills (H.O.T.S.) Short Answer Question (3M) 17) M ohit wants to prepare fruit salad. He has 2 apples, 3 guavas, 1 watermelon and 2 papayas. Write 3-4 steps in which he can make the fruit salad? Solution: ................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. Long Answer Question (6M) 18) Circle the factors of 30, cross out the factors of 50 and shade the factors of 80 in the following grid. 1234567 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 52
Activity a) Vizhyan’s birthday is on Wednesday. His father asked his sister Poovizhi to arrange for the party. She is happy to do it but does not know how to arrange for the party. Her father suggested her to first break the event into smaller tasks and complete those tasks one by one. Poovizhi thought that this way she could easily arrange for the party. If you are Poovizhi what would be tasks you will plan for. Write the smaller tasks which you will arrange. (Textbook, Pg. 64) b) Sort the factors of 40,72 and 75 from the number board given below. (Textbook, Pg. 66) 1 40 20 12 2 15 18 16 5 7 10 3 24 4 8 9 . Information Processing 53
Term Project Nutrition is vital for our body and all its systems to function properly. This has been proven through many scientific studies. A well-balanced diet provides important vitamins, minerals, and nutrients to keep the body and mind strong and healthy. Eating well also helps us fight diseases and maintain a healthy body weight, provide energy and allow better sleep. We can find out about the nutritional value of different food items through nutritional charts. The nutritional chart given below provides approximate nutritional value (in grams) of some common fruits and vegetables per kg. Item Type of food Fat(g) Protein (g) Carbohydrates (g) (per 1 kg) Spinach Vegetable 5 40 40 Tomato Vegetable 2 10 40 Vegetable 1 11 90 Onion Vegetable 1 6 40 Cucumber Vegetable 1 20 180 3 6 160 Potato Fruit 1 10 120 Grape Fruit 2 6 100 Orange Fruit 1 5 130 Papaya Fruit 2 40 800 Pineapple Fruit Banana You have to make 1 kg of mixed salad that contains at least two fruits and one vegetable from the above table. Also ensure that the minimum amount of protein and carbohydrate in the salad are 25 g and 400 g respectively. You can fill the nutritional values of your ingredients in the following table. Item Type Qty Fat Protein Carbohydrate 54
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