Halves and Quarters If the cats ask you to divide the chapati equally, ✤ how will you divide it? If you do not cheat like Tittu, the cats will have these parts. Half of Half If two more cats come for food how will you divide one chapati ✤ , equally for four cats? Half of Many Pieces Rani got a chocolate. She divided it equally and gave half to her friend Reena. Circle the portion that Reena got.✤How many pieces were left with Rani? _________ Many Shapes from a Half Sheet Take a piece of paper. Cut the sheet into two equal triangles so that each triangle is equal to half of the sheet. Shade the two triangles with different colours. Draw different shapes using these triangles. One such shape ✤ is shown here. Many Ways to Cut into Half Can you check if they are equal? Many Ways to Make Quarters equal parts? Draw 5 different ways. Can you check if they are equal? Rajni’s father brought a cake. She divided the cake into 4 equal parts — for herself, her brother Raju, her father and her mother. ✤Colour each share with different colours. ✤How much does each get? ________ ✤Mother gave her share of cake to Rajni. Now colour the total part that Rajni will get. ✤Out of 4 parts Rajni will get _____ parts, which is equal to half of the cake. So she can write it as 4 or ½. Before Rajni's mother gave her share to Rajni, she had only ½of 'half the cake', which was ¼ of the total cake. ✤Colour the share Raju got. ✤How much of the cake do Rajni and Raju together get? Colour their total share. Altogether they get 3 parts out of 4, so we can write it as¾. 98 Kundu is a greedy man. Whenever he goes to the market, he wants to get more and more but doesn't want to spend much money. One day he wants to eat pumpkin halwa (sweet dish). He tries to buy a big pumpkinwith only Rs10.Heasks the first pumpkin seller the price of a big pumpkin. First pumpkin seller — ¼ of this pumpkin is for Rs 10. -This full pumpkin will cost Rs ___________. ✤ Kundu — Eh! For Rs 10, you should give me ½ of this pumpkin. First pumpkin seller — Then you go to the next seller, he can -give you ½ of such a big pumpkin for Rs 10. I keep only good quality pumpkins. Kundu walks to the next seller and looks for a pumpkin of the same size. Kundu — How much of this pumpkin will I get for Rs10? Second pumpkin seller — Half. -This full pumpkin will cost Rs ___________. ✤ . 99 Using a Price List a) How much does ½kg of tomatoes cost? b) Which costs more – ½ kg of onions or ¼ kg of carrots? c) What is the price of ¾ kg of potatoes? d) Keerthi is going for shopping. She has only Rs 20 with her. Can she buy all the things in her shopping list? e) Make two questions yourself from the price list. 1. 2. a) What part of the whole is coloured? Write below each shape. b) Colour that part of the shape which is written below. ¾ ¼½ ¾ ¾½ c) Cut in half Draw a line which divides these shapes into half. f ) Match the coloured part as shown. Quarter ¾ Half Three Quarters ½ Whole ¼ ½ of the picture is drawn here. Can you complete the picture by drawing the other half? h) This is a quarter of a picture. Can you complete it? How many more quarters will you draw to complete it? _______________ Half and Quarter of a Metre Using your metre scale, cut a string of one metre. On this string mark the length ½metre, ¼metre and ¾metre. ✤ , Using your string draw a line of length ½ metre on the floor. ✤ , How many centimetres long is the line? ___________ So ½metre= ……… cm ¼metre= ……… cm ¾metre= ……… cm Can you see that when we add ½ and ¼ we get ¾? Sharing Milk This bottle is full of milk and it holds one litre. The milk is put into 4 other bottles so that each bottle has ¼litre of milk. Shade the bottles to show the level of milk in each. ✤ Remember, 1 litre=1000 millilitres ✤_________How many millilitres of milk does each bottle have? Shan poured 1 litre of milk into two bottles so that the first bottle holds ¾litre and the other holds ¼litre. Shade the level of milk in each bottle. ✤ How many millilitre s of milk does ✤ each bottle hold? ✤Choose from the weights above to make the two pans equal. In how many ways can you do it? a) Draw the weights in the empty pan. Remember, 1kg =1000 g balance this weight of ¾ kg 1) ........................ 2) ........................ 3) ........................