Playing with Numbers Exercise 3.2 Properties of Whole Numbers: 1). What is the sum of any two a). odd numbers b). even numbers Answer: 1a). The sum of any two odd numbers is always an even number. 1b). The sum of any two even numbers is always an even number. 2). State […]
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A Trip to Bhopal Questions with (*) sign are open ended questions. Ms. Meenakshi and Mr. Rakesh are talking about the number of buses needed. Ms. Meenakshi: – We will need 4 buses. Mr. Rakesh: I think we need at least 5. Ms. Meenakshi:- Each bus has 50 seats. Mr. Rakesh: – Let us
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How Many Squares? Page 34 Measure the side of the square on dotted sheet. Draw as many rectangles as possible using 12 such squares. How many rectangles could you make? We can make 7 right angles. Which of these rectangles has the longest perimeter? Rectangles 1 and 2 have the longest perimeter. Which of these
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Playing with Numbers Exercise 3.1 1). Write all the factors of the following numbers: a). 24 b). 15 c). 21 d). 27 e). 12 f). 20 g). 18 h). 23 i). 36 Answers: a). 24 24= 1 X 24 24 = 2 X 12 24 = 3 X 8 24 = 4
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Whole Numbers Exercise 2.2 Examples for Practice 1). Find the sum by suitable rearrangement. a). 837 + 208 + 363 837 + 208 + 363 = (837 + 363) + 208 = 1200 + 208 = 1408 Ans: 837 + 208 + 363 = 1,408 b). 1962 + 453 + 1538 +
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Shapes and Angles Questions with (*) sign are open ended questions. Page 16 Now you give the answers. Is it a closed shape? Yes, it is a closed shape. Does it have 6 sides? Yes, it had 6 sides. Page 17 Is it a closed shape with 6 sides? Yes, it is a closed shape
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