Linear Equations in One Variable Exercise: 2.1 Solve the following equations and check your results. 1). 3x = 2x + 18 3x – 2x = 18 transposing 2x to LHS x = 18 2). 5t – 3 = 3t – 5 5t – 3t = – 5 + 3 2t …
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Integers Exercise 1.2 Questions with (*) sign are open-ended questions. Exercise 1.3 1). Find each of the following products: (a) 3 × (–1) 3 × (–1) = -3 (b) (–1) × 225 (–1) × 225 = -225 (c) (–21) × (–30) (–21) × (–30) = 630 (d) (–316) × (–1) (–316) × …
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Play With Patterns Questions with (*) sign are open ended questions. Page 108 (*) Can you see how Tinu has made different patterns using the same block? Now you too make 3 different patterns using Page 109 Yamini has used her blocks to make a few patterns. Help her to take these patterns forward. We …
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Halves and Quarters Questions with (*) sign are open ended questions. Page 95 If the cats ask you to divide the chapatti equally, how will you divide it? I will fold the chapatti into two halves and tear them along the middle line. If two more cats come for …
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Understanding Elementary Shapes Exercise 5.4 Questions with (*) sign are open-ended questions. 1). What is the measure of (i) a right angle? (ii) a straight angle? (i) the measure of a right angle is 900. (ii) the measure of a straight angle is 1800. 2). Say True or False: a). The measure of an acute …
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Jugs and Mugs Questions with (*) sign are open-ended questions. Page 71 The elephant is drinking 50 litres of kheer. The giraffe is drinking 30 litres. The cow is drinking 15 litres. Then came the squirrel. She said I can’t drink 1 litre of kheer. Please give me only 500 millilitres kheer. The donkey …
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Understanding Elementary Shapes Exercise 5.1 Questions with (*) sign are open-ended questions. 1). What is the disadvantage in comparing line segments by mere observation? The disadvantage in comparing line segments by mere observation is that there may be possible errors in viewing. 2). Why is it better to use a divider than …
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Be My Multiple, I’ll Be Your Factor Page 87 a). the steps on which the mouse jumps- 14, 16, 18, 20, 22, 24, 26 and 28. b). The steps on which the cat jumps- 3, 6, 9, 12, 15, 18, 21, 24, 27 and 30. c). The steps on which …
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Does it look the same? Page 73 The top one-third of our flag is saffron (or orange). What is the colour of the middle one-third of the flag? Which shapes are divided into two mirror halves by the dotted line? Mirror Games Here is a picture of a dog. You can place a mirror on …
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Parts and Wholes Page 34 The top one-third of our flag is saffron (or orange). What is the colour of the middle one-third of the flag? Where will you draw the Ashoka chakra? How much of the flag will you colour green? Is the white colour now less than of the flag? Why? Now look …
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