📝 Practice Set 4.1 📝 Practice Set 4.2 📝 Exercise 4 Exercise 4 (1) Complete the table below. 2 5 10 17 Solution Observe the pattern in the number of dots: 12 + 1 = 2; 22 + 1 = 5; 32 + 1 = 10; 42 + 1 = 17; […]
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📝 Practice Set 4.1 📝 Practice Set 4.2 📝 Exercise 4 Practice Set 4.2 Identify the pattern in each of the number series given below and write the next three numbers. 1) 1, 1, 1, 1, 1, 1, …., …., …. 2) 1, 2, 3, 4, 5, 6, 7, …., …., …. 3) 1, 3,
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📝 Practice Set 4.1 📝 Practice Set 4.2 📝 Exercise 4 Practice Set 4.1 (1) Fill in the blanks. i) ………. number is neither prime nor composite. ii) ………. is the smallest prime number. iii) ………. is the only even prime number. iv) ………. is the smallest odd prime number. Solution i) 1 is neither
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📝 Practice Set 3.1 📝 Practice Set 3.2 📝 Exercise 3 Exercise 3 1 Choose the correct option. (i) −5 is ……… a) a whole number b) a natural number c) an integer d) a fraction (ii) −5 < 0 a) > b) < c) = d) None of the above Ans. (i) (c)
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📝 Practice Set 3.1 📝 Practice Set 3.2 📝 Exercise 3 Practice Set 3.2 1 Write the correct symbol >, < in the box below. Ans. (i) (−10) < 6 (ii) (−19) < (−5) (iii) (−3) < 0 (iv) 8 < 12 (v) 5 > 0 (vi) (−3) > (−9) 2 Solve. Ans. (i) 4
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📝 Practice Set 3.1 📝 Practice Set 3.2 📝 Exercise 3 Mathematics • Practice Practice Set 3.1 1 Write the following numbers in words. (i) 49,38,67,521 (ii) 28,41,57,649 (iii) 2,37,50,145 (iv) 6,79,81,049 ✓ Answers Ans (i) ✓ 49,38,67,521 Forty nine crore thirty eight lakh sixty seven thousand five hundred twenty one. Ans (ii) ✓ 28,41,57,649
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📝 Practice Set 8.1 📝 Practice Set 8.2 📝 Practice Set 8.3 📝 Exercise 8 Exercise 8 (1) Fill in the blanks: (i) A triangle in which all three sides have the same length is called triangle. (ii) A triangle in which only two sides have equal lengths is called triangle. (iii) A triangle whose
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📝 Practice Set 8.1 📝 Practice Set 8.2 📝 Practice Set 8.3 📝 Exercise 8 Practice Set 8.2 (1) In the figure below, sides of equal length are shown by the same marking. Write the type of triangle based on it: (i) D E F △DEF is an equilateral triangle. (ii) M A N △MAN
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📝 Practice Set 8.1 📝 Practice Set 8.2 📝 Practice Set 8.3 📝 Exercise 8 Practice Set 8.3 (1) Observe XYZW and answer the following questions: X Y Z W (i) Which side is opposite to side XY? (ii) Which are the adjacent sides of side XW? (iii) Which is the opposite angle of ∠W?
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📝 Practice Set 8.1 📝 Practice Set 8.2 📝 Practice Set 8.3 📝 Exercise 8 Practice Set 8.1 (1) Complete the table below by observing the diagram. Sr. No. Figure Vertices Sides Angles 1 A B C Point A, Point B, Point C seg AB, seg BC, seg AC ∠ABC ∠BAC ∠ACB 2 L M
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